Someone help me pleaseeee

Someone Help Me Pleaseeee

Answers

Answer 1

Answer:

oxygen and carbon dioxide

Answer 2

Answer:

B

Explanation:

oxygen and carbon dioxide


Related Questions

Which level of organization is represented by the skeleton of the snake?

А.organ

B.organism

C.tissue system

D.organ system

Answers

The answer for this question is C

Tissue system, enables the snake to move forward by pushing against the ground while bending and curling its body. Thus, option C is correct.

What level of organization are present in snake?

The body of a snake is long and slender, and it is separated into four quadrants. Head, esophagus, heart, and trachea make up the first quadrant's major structures.

The second quadrant contains the liver, stomach, and anterior, vascularized region of the lung(s).

A snake has a basic skeleton because it has no arms or legs. Hundreds of ribs extend from the base of the tail to the end of the long, flexible spine that connects the head to the backbone.

This enables the snake to move forward by pushing against the ground while bending and curling its body.

Therefore, tissue system  level of organization is represented by the skeleton of the snake.

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What are the two main principles of Mendelian genetics?

Answers

Answer:

The key principles of Mendelian inheritance are summed up by Mendel's three laws: the Law of Independent Assortment, Law of Dominance, and Law of Segregation

Explanation:

__________

Answer:

Mendel's observations from these experiments can be summarized in two principles: According to the principle of segregation, for any particular trait, the pair of alleles of each parent separate and only one allele passes from each parent on to an offspring. Which allele in a parent's pair of alleles is inherited is a matter of chance.

Find the density of an object that has a mass of 22.3g and a volume of 136.7cm3.

Answers

Answer:

[tex]0.1631309437 g/cm^3[/tex]

Explanation:

The formula for density is ρ[tex]=\frac{m}{V}[/tex] (where [tex]m[/tex] represents mass, and [tex]V[/tex] represents volume).

With this formula, we can calculate the density of the object:

ρ [tex]= \frac{22.3g}{136.7cm^3}[/tex]

[tex]=0.1631309437 g/cm^3[/tex]

Hope this helps :)

Which technology is used on farms to increase food production for the
growing human population?
A. Cutting the price of seed
B. Genetically modifying crops
C. Using natural fertilizers
D. Planting more crops

Answers

Answer:

B.

Explanation:

They genetically modify crops to advance their produce.

This will create more and better food for the human population.

And with each plant producing more fruit they will have the plant less of them.

Hope this is correct. Have a great day.

Answer:

B. Genetically modifying crops

Explanation:

Staph infections caused by the bacterium staphylococcus aureus are increasing in frequency and are more difficult to treat with antibiotics many staph infections are now caused by mrsa and methicllian resistant strain of s aureus. What explains the more widespread phenomenon of mrsa prevalence in staph infections

Answers

Answer:

This question lacks options, options are: A) Vaccines for MRSA have become not effective because of changes to human immune systems. B) The presence of antibiotics induced the bacterial genomes to mutate and develop resistance to the drug. C) Decreased hospital sanitation practices to save money have resulted in increased presence of resistant staph infections. D) Selective pressures by excessive antibiotic use have increased the frequency of resistant strains of S. aureus over the last few decades.The correct answer is D.

Explanation:

The susceptibility of the various germs has varied greatly in recent years. Strains that had been consistently susceptible to all antimicrobial agents for decades have now developed resistance to these classic therapies, they have the ability to rapidly develop resistance to the newer antimicrobials. Methicillin Resistant Staphylococci (MRSA) is a clear example of this situation. The mechanism that confers resistance to methicillin is complex, since the bacterium has generated a genetic variation, which is encoded in the mecA gene, by which it modifies the structure of its penicillin-binding or binding protein (PBP2a), This prevents methicillin from adhering to the place where it is going to exert the action of blocking the transpeptidase enzyme (whose function in the bacterial life cycle is to synthesize the bacterial wall).Resistance to methicillin in strains of S. aureus is a growing problem worldwide, and staphylococcus gold is an agent that spreads easily and the behavior of the process is aggressive, with which this agent not only carries resistance to methicillin , but rather all ß-lactam antibiotics, including cephalosporins and carbapenem.

Answer:

D. Selective pressures by excessive antibiotic use have increased the frequency of resistant strains of S. aureus over the last few decades

Explanation:

Which substance plays a major role in almost all of the chemical reactions
that occur in a living cell?

Answers

Answer:  Here's what I could find:

enzymes

The catalysts of biochemical reactions are enzymes and are responsible for bringing about almost all of the chemical reactions in living organisms.

Explanation: So sorry if this isn't what you need.

treating depression
soon as treatment begins.
16. Delusions, hallucinations, and thought disorders are associated with
f Depression
h. Schizophrenia.
& Anxiety
j. Personality disorder.
bi

Answers

H: Schizophrenia

Hope this helps

Which of the following layers of the G.1. tract is the true functional layer?
A. Mucosa
B. Submucosa
C. Muscularis
D Serous Reset​

Answers

Answer: mucosa

Explanation: the G.I. tract contains four layers: the innermost layer is the mucosa, underneath this is the submucosa, followed by the muscularis propria and finally, the outer most layer - The adventitia. The structure of these layers varies, in different regions of the digestive system, depending on their function.


Need immediately please
, rewarding 27 points plz !!!!!

Answers

Answer:

2. A

3. C

4. A

5. B

Explanation:

When Rr is round and rr is wrinkle

Answer:

A has 25% wrinkled seeds and 75% rounded seeds

B has 100% rounded seeds

C has 50%rounded seeds and 50% wrinkled

Explination:

Rr is rounded seeds rr is wrinkled seeds

Which best describes the plant?

Answers

Answer:

vascular because it has spores

There are three main functions of water. Pick the one that does NOT belong.
Regulate body temperature
O Removes waste
Moves blood throughout the body
Keeps your body hydrated

Answers

Answer:

A

Explanation:

Water does not regulate body temperature. However, it removes waste, hydrates your body, and allows your blood to flow.

Crossing over is a process which contributes to diversity in offspring of an organism. Which statement BEST explains this process?

Group of answer choices

A sister chromatid from one homologous pairs switches places with a sister chromatid from a different homologous pair.

Sister chromatids separate to form haploid cells during anaphase II

During metaphase II, sister chromatids of a homologous pair exchange genetic information.

Homologous chromosomes exchange genetic information during prophase I

Answers

Answer:

During Metaphase II, sister chromatids of a homologous pair exchange genetic info

Explanation:

Answer:

During metaphase II, sister chromatids of a homologous pair exchange genetic information

Explanation:

Adult giraffes eat about 75 pounds of food in a day. On average, an area can provide 450 pounds of food per day for giraffes. Based on this information only, what is the carrying capacity for adult giraffes in this area?

Answers

Answer:

6 giraffes

Explanation:

If an area can provide 450 pounds of food for the giraffes and the giraffes eat 75 pounds of food per day, you can divide:

450 by 75= 6

6 giraffes is the capacity for that area

Answer:

A

Explanation:

What are the four cell types in in Trichoplax Adhaerens? Explain their locations within the animal.

Answers

Trichoplax contains at least six somatic cell types: dorsal and ventral epithelial cells, lipophils, fiber cells, gland cells and crystal cells.

Trichoplax contains at least six somatic cell types: dorsal and ventral epithelial cells, lipophils, fiber cells, gland cells and crystal cells.

what is somatic cell ?

Somatic cells are involve in the growth and development of an organism required for repair and regeneration

Somatic cells participate in mitosis and contain the same set of chromosomes, these cells have a diploid set of chromosomes as compared to gametes produced by meiosis and have a haploid set of chromosomes

Somatic cells undergo mutation frequently as compared to germ cells, used for cloning by which an identical clone of an individual is produced

Somatic cell nuclear transfer  is one such process where the nucleus of a somatic cell is transferred to an ovum cell. Somatic cells are used to conserve genetic information of animals.

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Multicellular organisms use mitosis for growth, development, and


A . apoptosis
B . repair
C . reproduction
D . interphase ​

Answers

Multicellular organisms use mitosis for growth, development, and repair and they also play the role of decomposers. Thus, option B is correct.

What is the key role of decomposers in the nitrogen cycle?

Decomposer serve a key role in the nitrogen cycle primarily because they break down plant and animals waste and release nitrogen into the atmosphere.

These processes has been based on the single principle: the difference in density between the components of the mixture. They are often used together to separate heterogeneous mixtures of two types as liquid + solid and immiscible liquids. In this case we have what mixture is the sediments of stones and the water that through the sieve will separate one from the other.

Mining has a large impact on the environment because minerals are contained within the Earth. The long term effects of mining include acid drainage, erosion and dust emissions.

Therefore, Multicellular organisms use mitosis for growth, development, and repair and they also play the role of decomposers. Thus, option B is correct.

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Help me ASAP please!!!!!!!

Answers

I think it the third one

Which layer of the atmosphere has the widest variation in temperature?(1 point)
mesosphere

troposphere

thermosphere

stratosphere

exosphere

Answers

It would be the thermosphere

The layer of the atmosphere has the widest variation in temperature: (C). Thermosphere

Meaning of atmosphere and thermosphere

The Atmosphere can be defined as the layer of gas or layers of gases that covers a planet. it includes all the forms of gasses in a planet.

The thermosphere can be defined as the warmest region in the atmosphere, it varies with respect to the altitude.

In conclusion, The layer of the atmosphere has the widest variation in temperature is the Thermosphere

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1. Tell me if this is true or false. If it is false tell me why. "Cereal grains are an excellent
source of complex proteins."

Answers

Answer:

True

Explanation:

The most common cereal grains that are used is wheat, rice, oats, and corn. WHich can all be high in a protein called prolamins, including vitamin D&E, fiber, iron, and other nutrients.

do monkeys and humans share a common anscestor

Answers

Answer:

Yes.

Explanation:

Science.

Yes they do lol because of science

How do ecologists describe populations? (4 things)

Answers

Answer:

The description about population according ecologists is as follows:

Explanation:

Thre are various ecological aspects studied by the ecologist in the ecosystem and one of them is Population ecology. According the ecolgists all member or total individuals of a particular species present in an ecological community is Population.

There are different asppects of the population ecology that helps in the understanding the population such as size of population, growth of population nter and intra- intractions of population. All these aspects are part of population ecology studied by the ecologists.

life a raindrop 500 words PLZZZZZZ 100 POINTS I NEED THIS Today you will be writing a creative story about what a raindrop goes through from leaving a cloud to entering a lake or ocean. but try to be as in depth with the direction that water would take on its way through a watershed.

Answers

The rain drop is very fascinating and interesting. It falls down to the ground with the spread of twenty five miles per hour, which isn’t fast for us but is for the drop. When the drop fails in to a stream it travels with the stream where ever it goes, it fallows it completely. When it falls in to a river it fills it from the lose during the day when the sun evaporates some of the water. The river eventually falls in to a lake or a ocean. Some of the water is taken by people which is refined to drinkable water and soled. The other way it can go is it will evaporate and go back in to the clouds and repeat the sickle.

if b is the allele for brown coat color, a bb organism will have what phenotype?

Answers

they will have a brown coat

Translation is the conversion between

Answers

Answer:

RNA and proteins

Explanation:

Hope this helps!

Select the correct answer.
How are 3-D printers useful in studying evolution?
A.
to color the fossils of organisms
B.
to create clones of extinct organisms
C.
to create replicas of fossils
D.
to prepare paper cutouts of organisms
E.
to study the composition of fossils

Answers

They create replicas of fossils.

Answer:

c

Explanation:

What is the function of RNA polymerase in the process of transcription?

A. It turns RNA into a polymer (long chain of repeating molecules)
B. It turns DNA into a polymer (long chain of repeating monomers)
C. It unzips RNA
D. it unzips DNA​

Answers

I’m not really sure

The photo is above, please answer thank you!

Answers

Genotype:BB

Ratio:2/4

Percent:50%

Phenotype:black fur

Genotype:Bb

Ratio:2/4

Percent:50%

Phenotype:black fur

Question 3
Which of the following would a cell from heart muscle most likely have an unusually high proportion of?
A lysosomes

B-mitochondria

C-Golgi bodies

D-mRNA

Answers

Answer:

a

Explanation:

Answer: Mitochondria

If a habitat contains 20 animal species and 20 plant species, is it “diversity” or “biodiversity”?

Answers

Answer:

Biodiversity

Explanation:

They will of course exhibit the biodiversity of that given habitat because diversity refers to variation in abroad terms and can be applied to any area.

name 2 aquatic prey and their predator ​

Answers

Explanation:

prey

seals and fish

predator shark

Answer:

Tiger shark -> Green sea turtle

Sea slug -> Sea sponge

Explanation:

Hope this helps

What is the formula for speed of a wave?

Answers

Answer:

Wave speed is the distance a wave travels in a given amount of time, such as the number of meters it travels per second. Wave speed is related to wavelength and wave frequency by the equation: Speed = Wavelength x Frequency. This equation can be used to calculate wave speed when wavelength and frequency are known

Explanation:

looked it up

Answer:

v = f λ

v  is wave speed

f  is frequency of the wave

λ  is wavelength

Explanation:

hope this helps :)

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