You wish to study the impact of synthetic estrogen like hormones on the health of whales (and people). Select the organism from the table below that would be best to use in your research. Why did you select this organism?


Model Organism Characteristics

Yeast------------------Single celled, eukaryotic (contains a nucleus)
Fruit fly---------------Multicellular, eukaryotic, invertebrate, arthropod
Zebrafish-------------Multicellular, eukaryotic, vertebrate, fish
Mouse-----------------Multicellular, eukaryotic, vertebrate, mammal


Fruit flies, because they are multicellular like whales
Mouse, because they are mammals like whales
Yeast, because they are eukaryotic like whales
Zebrafish, because they live in the water like whales

Answers

Answer 1

Answer:

Because humans are multicellular, eukaryotic (contains a nucleus), vertebrates, and mammals, the best organism to test the synthetic hormones on would be a mouse.

Explanation:

Humans and whales are multicellular (they have many cells) and their cells are eukaryotic (contain a nucleus). They also have a backbone (spinal column), which makes them a vertebrate. Finally, all humans and whales are mammals. Therefore, to get the best results, the testing should be performed on a mouse.

Performing the experiment on yeast would give good results for singular-celled organisms, like protozoa.Performing the experiment on a fruit fly would give good results for multicellular invertebrates, like spiders.Performing the experiment on zebrafish would give good results for all fish in general.

Answer 2
The answer is a mouse

Related Questions

What kingdoms of life can have either sexual or asexual reproduction

Answers

Answer:

Protista, Fungi, and Plantae.

Explanation:

PROTISTA - asexually with binary fission , and sexually; two individuals join and exchange genetic material in the nucleus.

FUNGI - Reproduce sexually and asexually.

PLANTAE - Sexual reproduction involves the male pollen grains traveling to the stigma of a flower , and asexual reproduction involves the production of a new plant without the use of flowers.

Answer:

Plantae, protista, and fungi

Explanation:

took the test and got it right! Good luck and God bless you!

CH3OH + HOCH3 = CH3-O-CH3 + HOH Is this reaction an addition reaction or a dehydration reaction or synthesis or whatever? A. Addition B. Dehydration Brainliest for the correct answer. Pls help

Answers

Answer:

B. Dehydration

Explanation:

Addition reaction is defined as the chemical reaction in which two different compunds combine together to form a new compund.

Dehydration reaction is defined as the chemical reaction in which water molecule (H2O) is removed from the reactant.

For example: RCO2H + R′OH ⇌ RCO2R′ + H2O

In the given equation: CH3OH + HOCH3 = CH3-O-CH3 + HOH

The reaction is showing dehydration because two molcules are combined aand  water molecule is eliminated from the reactant.

Hence, the correct option is B. Dehydration.

The answer is B dehydration

Can regular use of ORS cure diarrhea or not?

Answers

Answer:

Acute diarrhea normally only lasts a few days. ORT does not stop the diarrhoea, but it replaces the lost fluids and essential salts thus preventing or treating dehydration and reducing the danger. The glucose contained in ORS solution enables the intestine to absorb the fluid and the salts more efficiently.

Explanation:

ORT does not stop the diarrhoea, but it replaces the lost fluids and essential salts thus preventing or treating dehydration and reducing the danger. The glucose contained in ORS solution enables the intestine to absorb the fluid and the salts more efficiently.

It does not stop dirriawaj

Easy question. Will give brainliest


Sometimes, distinguishing the type of interaction between species in not straightforward. Remoras are fish that are often found attached to larger animals, such as sharks. The relationship between remoras and sharks is often described as a commensalism. Although this suggests that sharks do not benefit from this relationship, remoras sometimes consume parasites on their skin. Which of the statements below best supports the relationship being a commensalism?

Although remoras consume parasites, sharks with remoras show no better health or growth than sharks without remoras.

Although remoras consume parasites, they usually consume the flesh of the shark itself and harm it.

Remoras consume parasites, but sharks depend on parasites to remain healthy.

The fact that remoras consume parasites suggests that they provide a benefit, making this a commensal relationship.

Answers

Answer:

The commensal relationship between the sharks and remoras can be described as although remoras consume parasites, sharks with remoras show no better health or growth than sharks without remoras.

Explanation:

A commensal relationship refers to a relationship where two or more organisms in a habitat neither benefit or harm each other.

The second option infers that the remoras harm the sharks. This is a parasitic relationship.The third option infers that the sharks are harmed by the remoras because the sharks depend on something that the remoras are limiting. This is also a parasitic relationship.The fourth option infers a commensal relationship, but falsely describes it. The relationship described by this option is a parasitic relationship (one benefits, the other does not).

Therefore, the answer is the first option: Although remoras consume parasites, sharks with remoras show no better health or growth than sharks without remoras.

Answer:

it is A) Although remoras consume parasites, sharks with remoras show no better health or growth than sharks without remoras.

Explanation:

What is one way a plateau can form? HELP!!

Answers

Answer:

B) uplift raises the level of a piece of crust

Explanation:

I got this question right

HOPE THIS HELPS!!!! :)

Refer to the tree of life shown above. What can you conclude about fungus?

Answers

Answer:

D

Explanation:

fungi are more closely related to bacteria than to archea

the anwser is d. hhghhhhhhhhhhhhh

cliare Beauchamp is a 31 years old woman who has had episodes of severe pain on one side of her head evry day for weeks. The lain lasts for up to 30 minutes and then subsides. She usually gets this pain during the fall or spring . Mrs Beauchamp is a smoker and drinks alcohol. she was having such severe pain one day that she went to the ER for assessment. She has been diagnosed with an autonomic nerve issue ?

Answers

Answer:

I hope this helps.  The symptoms of autonomic nerve dysfunction can be some of or all of the following:  dizziness, fainting - taking the BP in orthostatic form is a good indicator.  They seem to show evidence of exercise intolerance and this can increase the headache pain if they continue.  Many of them will sweat uncontrollably and may think it is hot flashes - but it is more than that.  It can also reverse and person will not sweat enough.  Abnormal protein build up in organs, and immune system attacks that actually think they are helping the body but are shutting it down, damaging various body systems IE kidneys......

Explanation:

Look up info on the following to assist you with learning about different aspects of these symptoms:  Riley - Day Syndrome Idiopathic orthostatic HYPOtension, Shy Drager Syndrome, and sometimes even Parkinson's syndrome - organ failure will occur.

Answer:

I think the astics nerve

Explanation:

Which feature is not the result of a glacier carving out rock as it moves?

A. Cirque

B. Terminal moraine

C. Fjord

D. Horn peak

Answers

Answer:

B. Terminal moraine

Explanation:

Terminal moraine forms at the end of a glacier due to contact abrasive action of the rocks. The glacier carving out rock as it moves doesn’t occur in the terminal moraine.

The Cirque, Horn peak and Fjord are all processes characterized by the glaciers carving out rocks as they are moved by elements such as wind and water.

The answers is









Terminal moraine

In an experiment, 4 liters of water was observed to evaporate in 20 hours. What rate of
evaporation was observed in this experiment?
O A. 0.001 liters per minute
O B. 0.2 liters per hour
O C. 0.02
Х
D. 5 hours per liter
It’s not D

Answers

Answer:

B. 0.2 litres per hours

The answer would be B

The lungs are
to the heart.
O Anterior
O Distal
Lateral
Superior

Answers

Answer:

LATERAL

Explanation:

The diaphragm lies inferior to the heart. Away from the mid line of the body. The lungs lie lateral to the heart. ... The heart lies medial to the lungs.

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The answer is Lateral!!!!!

while the earth is home to many members of this phylum earthworms are not a member of blank

Answers

Answer: Chordata.

Explanation: While the earth is home to many members of this phylum, earthworms are not a member of Chordata.

Chordata is the answer

how does an increase in available food increase genetic diversity?

Answers

Answer:

more food means more of the species would stay alive longer so that would mean obviously more mating and mutations.

Explanation:

Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation.

You go on a trip to the Galapagos island to study the animals there for a paper you are writing on evolution, just like Darwin did. You spend 3 days taking notes on all the physical characteristics you can observe about the tortoises and then you spend 3 days observing the finches. What have you recorded? A. Inherited characteristics B. Environmental variation factors C. Phenotypes D. Genotypes

Answers

Answer:

C. Phenotypes

Explanation:

Taking notes on all the physical characteristics observed about the tortoises and then observing the finches, I have observed the phenotypes.

Phenotypes are the observable characteristics of a species which are the result of genetic expression influenced by the environmental factors.

So, phenotypes will be recorded during the trip while taking notes on all the physical characteristics which can be directly related to genotype and environmental factors.

Hence, the correct option is "C. phenotypes".

The correct answer is C because the others don’t work

Sweating when hot, shivering when cold, blinking when a bright light hits
one's eyes... These are examples of which characteristic of life?

Answers

This is called Sensitivity
I think it must be response to stimuli
Explanation:
Some receptors can detect several different stimuli but they are usually specialised to detect one type of stimulus: light - photoreceptors in the eye. ... touch, pressure, pain and temperature - different receptors in the skin. taste and smell - chemical receptors in the tongue and nose


Hope it helps


If it is the thing u r looking for mark me as the brainliest

Select all of the correct answers.
Which statements are true?
1. Science is a collection of facts that does not evolw! We have gained all the knowledge we can from
science.
2. Scientists observe natural events occurring around them. They question these observations and
Investigate them.
3. All scientists follow one scientific method of Investigation.
4. If a hypothesis is not verified by the results from the scientific method, scientists may either redo
the process or create a new hypothesis.
5. Once they reach a conclusion, scientists often keep the results to themselves.

Answers

Answer: 2, 3, 4,

Explanation:

It would be 2,3,4 i think

In order for a pea plant to show a recessive trait, what alleles must be present?

A. two dominant alleles

C. one dominant and one
recessive allele

B. two recessive alleles

D. none of the above

Answers

the answer is B since the dominant trait would over power the recessive trait won’t show in the pea plant unless it has two recessive
The answer is b.) two recessive alleles.

Explanation: if there is a dominate allele and a recessive it is going to show the dominate 100% of the time. The only time a recessive trait is going to show is if there is not a dominate present and it is just 2 recessive traits.
Hope this helps!

A____fossil is evidence of an organism, but is not made of the organism itself

A. coprolite
B. trace
C. record
D. index​

Answers

Answer:

ttrace

Explanation:

A trace fossil is evidence of an organism, but is not made of the organism itself.

What is Trace fossil?

The structure and behaviors of an organism, rather than its physical form, are used to classify trace fossils. A few of the trace fossils discovered in Denali have been connected to body fossils discovered in rocks from the North Slope or Talkeetna Mountains that are of a comparable age.

These connections provide investigators access to identities that are more certain than those known solely from trace fossils.

Bird tracks near probe marks in the earth suggest that the birds were using their beaks to dig for food. Invertebrate burrows located in the same rocks possibly provide the answer to what good food the birds were eating.

Therefore, A trace fossil is evidence of an organism, but is not made of the organism itself.

To learn more about Trace fossil, refer to the link:

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can there be justice when it comes to the environment and how​

Answers

Answer:

Environmental justice is the fair treatment and meaningful involvement of all people regardless of race, color, national origin, or income, with respect to the development, implementation, and enforcement of environmental laws, regulations, and policies.

Explanation:

Environmental justice issues and examples include inadequate access to healthy food, inadequate transportation, air and water pollution, and unsafe homes.

Hope it helps :)

What is found in every living
organism.

A. Carbon is

B. Hydroxide is

C. Neither carbon nor hydroxide is

Answers

Answer:

A I think sorry if its wrong

Answer:

A. Carbon

Explanation:

In every organism you can find CHNOPS; these elements are Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus and Sulfer.

Which of the following is true
about traits?

A. They refer to external appearances only.

B. They refer to internal appearances only.

C. They can refer to a change in the skeletal or
muscular system.

D. We cannot observe traits.

Answers

The answer to this is- A
The answer to this would be the distant option, A

What effect will the settling of sediment have on the shape of the stream?

Answers

The issue of sediment in aquatic environments has been a topic of concern for many decades. During the nineteen-thirties, erosion became a national issue because of the dust bowl and as a result the Soil Erosion Service was established. Since the nineteen-thirties, the study of sediment erosion, transport, deposition, and intrusion has increased exponentially in the United States. Considering all of the past and current research, it is difficult to focus on essential research, but with limited resources it is imperative to refine the topics and prioritize the necessary areas of study. The same scoping is also true for treatment practices. The best and most effective treatment should be used on the most critical habitat. Establishing this systematic prioritization is a challenging but substantive endeavor.

Answer:

Question was : The graph in part A shows how slow-moving water cannot carry large pieces of sediment. As water slows down on the inside of a curve, some of the larger pieces of sediment will settle out of the water. What effect will the settling of sediment have on the shape of the stream?

Answer:

The river will deposit sediment along the inside of a bend in the river. This deposition causes the inside of the curve to become shallower and move farther inward

Explanation: ednmentum sample answer for Fluids and the Formation of Earth's Features: Tutorial part D

How would you explain that the geological processes occurring today are similar to geological processes that took place a long time ago?

Answers

Answer:

Geological processes" are defined as the natural forces that changes the shape of Earth. Several geological processes include erosion, sedimentation and chemical weathering that affect the Earth’s surface.

So, the geological processes such as plate tectonics and erosion et-cetra are occurring long time and still occurring in the Earth environment.

Question 17 of 50
2 Points
Which type of selection is the most likely to result in Speciation?
A. Stabilizing selection
B. Directional selection
OC. Disruptive selection
D. Artificial selection
Reset Selection

Answers

Answer:

C. Disruptive selection

Explanation:

Disruptive selection, also called diversifying selection, describes changes in population genetics in which extreme values for a trait are favored over intermediate values. In this case, the variance of the trait increases and the population is divided into two distinct groups. Two separate groups emerge.

Directional selection most likely to result in speciation. The correct option is B.

What is speciation?

Speciation is the process by which a new plant or animal species emerges. When a group within a species separates from other members of its species, it develops its own distinct characteristics.

Speciation is the evolutionary process by which new and distinct species emerge. Species evolve through genetic modification. The new species is reproductively isolated from the previous species, which means it cannot mate with it.

Apple maggot flies - Originally only laid eggs on hawthorn apples, apple maggot flies now lay eggs on both hawthorn apples and other domestic apples in the United States.

The speciation is caused by one of the reason known as directional selection.

Thus, the correct option is B.

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Many cruise ships use advanced wastewater treatment technologies to treat sewage before they discharge it into the sea. Is the use of non-GMO bacteria to clean this water, as opposed to using chemical additives like chlorine, an example of biotechnology? Why or why not?

This is an example of biotechnology because it seeks to solve a societal problem using biological entities.

This is an example of biotechnology because metabolic activity of any organism is considered biotechnology.

This is not an example of biotechnology because it isn't new, people have been using bacteria to treat wastewater for years.

This is not an example of biotechnology because the bacteria are not genetically modified.

Answers

Answer:

This is an example of biotechnology because it seeks to solve a societal problem using biological entities.

Select the best answer for the question.
A student conducts an experiment to see how music affects plant growth. The student obtains four identical
plants. Each one is potted in the same type of soil and receives the same amount of sunlight and water each
day. Plant A listens to classical music for three hours each day. Plant B listens to rock music for three hours
each day. Plant C listens to country music for three hours each day. Plant D does not listen to any music at
all.
1. In the experiment described in the scenario, what's the variable?​

Answers

Answer:

A B and C because they all listen to music

The process in which individual organisms change during their lifetime is....

Answers

The Life Cycle

Hope that helped!!! k

-----------------------------------------------------------------

Answer: The process in which individual organisms change during their lifetime is life cycle.

What helps determine a
population's carrying capacity?

A. the rate of primary productivity

B. the amount of available resources

C, the average age of the members of the
population

Answers

The answer is B: The amount of available resources.
Answer: Definitely b.) the amount of available resources.

Describe formation of proteins for export.

Answers

Answer:

Protein formation is the transcription and mature exported by the cytoplasm it is translated, chain and folds is modified.

Explanation:

Protein performs a critical functions as protein or hormones are crucial biological components,protein can be divide into two phase translation and transaction.

Protein is that production of cellular protein process inside the cell balancing is core biological process,transcription is the section of DNA encoding a protein converted by the messenger RNA.

Protein is the must form a functional protein correctly in a produce  a functional active site, function is located by the cell and protein to interact other protein.

Protein is the key role to play in the human body in disease change in this process causes of  disease,protein are used to production of other proteins and by controlling protein synthesis.

Protein is that long chains and they amino acid can be in any order, function of protein  dependent on the protein shape, protein is the part of the membrane and ejected the cell.  

Which occurs in both the lytic cycle and the lysogenic cycle?
destruction of host cell
integration of viral and host genetic information
production of virus particles
hijacking of host cell's metabolism

Answers

Hijacking of host cell’s metabolism

Answer:

D hijacking of host cell's metabolism

Explanation:

got it right on quiz

The first battle of the Spanish-American War was fought in A) Havana, Cuba B) the Philippines C) Miami, Florida D) Puerto Rico I NEED HELP NOW PLZ

Answers

Answer: B

Explanation:

Answer is b

explain: The philippines were the first location of the battle of the spanish american war
Other Questions
Prepare journal entries to record each of the following four separate issuances of stock. A corporation issued 10,000 shares of $20 par value common stock for $240,000 cash. A corporation issued 5,000 shares of no-par common stock to its promoters in exchange for their efforts, estimated to be worth $45,500. The stock has a $1 per share stated value. A corporation issued 5,000 shares of no-par common stock to its promoters in exchange for their efforts, estimated to be worth $45,500. The stock has no stated value. A corporation issued 2,500 shares of $50 par value preferred stock for $170,500 cash. which expression is equivalent to(xy)? My loving people, We have been persuaded by some that are careful of our safety, to take heed how we commit ourselves to armed multitudes, for fear of treachery; but I assure you I do not desire to live to distrust my faithful and loving people. Let tyrants fear, I have always so behaved myself that, under God, I have placed my chiefest strength and safeguard in the loyal hearts and good-will of my subjects; and therefore I am come amongst you, as you see, at this time, not for my recreation and disport, but being resolved, in the midst and heat of the battle, to live and die amongst you all; [1] to lay down for my God, and for my kingdom, and my people, my honour and my blood, even in the dust. [2] I know I have the body but of a weak and feeble woman; but I have the heart and stomach of a king, and of a king of England too, and think foul scorn that Parma or Spain, or any prince of Europe, should dare to invade the borders of my realm; to which rather than any dishonour shall grow by me, [3] I myself will take up arms, I myself will be your general, judge, and rewarder of every one of your virtues in the field. I know already, for your forwardness you have deserved rewards and crowns; and We do assure you in the word of a prince, they shall be duly paid you. In the mean time, my lieutenant general shall be in my stead, than whom never prince commanded a more noble or worthy subject; not doubting but by your obedience to my general, by your concord in the camp, and your valour in the field, we shall shortly have a famous victory over those enemies [4] of my God, of my kingdom, and of my people.Selection 3 from the speech is an example of which of the following of rhetorical devices? which statement is true about which branch of the United States government enforces the law Two years ago, a customer purchased 1,000 shares of ABC stock at $45 per share. The stock has appreciated in value and is currently worth $60,000. The company announces that it is spinning off a subsidiary, DEF, to its shareholders. The value of the new company being spun off equals 5% of the old company. The customer will have:___________ Shalom, Guys! The molar mass of strontium (\ce{Sr}SrS, r) is \pu{87.62 g/mol}87.62 g/mol87, point, 62, space, g, slash, m, o, l. Calculate the number of atoms in a \pu{67.5 mg}67.5 mg67, point, 5, space, m, g sample of \ce{Sr}SrS, r. Write your answer in scientific notation using three significant figures. \text{atoms Sr} ______________ atoms Sr Love, Piper Rockelle Why must corporate managers use multiple techniques of project evaluation? Which technique is most commonly used and why? Describe several ways you may be able to use the techniques above as you progress in your professional career. Explain why chlorine is a gas while iodine is a solid yet both are halogens. Select one: a. Both iodine and chlorine differ in strength of metallic bonds b. Chlorine has strong inter molecular forces than iodine c. 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Lorraine and Jake can produce any combination of peaches and nectarines described by the production possibilities curve above using the same amount of resources. Who has the absolute advantage in the production of each product? Explain. Who has the comparative advantage in the production of each product? Explain. Who will specialize in the production of each product? Explain using the concept of opportunity cost.