Explain how conservation efforts have positively impacted ecosystems.
Conservation efforts have played a crucial role in mitigating the loss of biodiversity, protecting ecosystems, and promoting sustainable development.
Conservation efforts have had several positive impacts on ecosystems. Firstly, the establishment of protected areas and conservation reserves has helped preserve and restore natural habitats, providing a safe haven for wildlife and plant species. This has led to the recovery of many endangered and threatened species, contributing to the overall biodiversity and ecological balance.
Conservation efforts also promote sustainable resource management practices. By implementing regulations and guidelines for fishing, hunting, logging, and other human activities, ecosystems are protected from overexploitation. This helps maintain healthy populations of species, prevents habitat degradation, and ensures the long-term availability of resources.
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During the last century, both global temperatures and men’s average height have increased. Do these correlated trends mean that the increase in men’s height caused the increase in global temperature? yes ___ no ___ Explain why or why not.
Deserts are only found near the equator.
Please select the best answer from the choices provided
T
F
Answer:
False
Explanation:
Answer:
False
Explanation:
Many deserts are not located around the equator with the most common example of this being the Gobi desert. Some books even contain the information that the Arctic and the Antarctic are deserts as well and they are located on the poles.
In fruit flies, the gene for eye color is located on the X chromosome, and the red eye allele (R) is dominant
to the white eye allele (r). A carrier female is mated with a male fly with genotype X
rY. Which of the
following statements best describes the expected outcome of the cross?
a. The chance of an offspring having red eyes is 75%
b. The chance of an offspring having white eyes is 50%
c. The chance that a male offspring will have white eyes is 0%
d. The chance that a female offspring will have red eyes is 100%
Answer:
b. The chance of an offspring having white eyes is 50%
Explanation:
So the genotype of the male fly is X^r Y. This means the male has white eyes because he only has one X chromosome, so he will express whatever allele is on that chromosome.
The genotype of the female fly, though, is X^R X^r. This is because carriers are heterozygous for traits, and the sex chromosomes of most females is XX (with some exceptions, like XXX, or X (Turner syndrome)).
If we cross this, what are the outcomes? Do a Punnett square. You get the genotypes of X^r X^R, X^r X^r, X^R Y, and X^r Y. The expected phenotypes are a red eye female, white eye female, red eye male, and white eye male.
Now, let's look at the choices:
A.: The chance of an offspring having red eyes is not 75%; it is 50%.
B.: The chance of an offspring having white eyes is 50%!!!
C.: The chance that a male offspring will have white eyes is 50%, not 0%.
D.: The chance that a male offspring will have white eyes is 50%, not 100%.
Sooo, it's B!
What percent of the offspring will be red, if we cross two pink tulips?
75 %
50 %
25 %
Answer: 50
Explanation:you are combining two pink to the possibility of the tulips being red will be 50 50
It is a case of incomplete dominance. 25% of the offspring will be red. Therefore, option C is correct.
What is incomplete dominance?When two heterozygous alleles in a gene interact with each other, their traits are expressed partially, because they both are not dominant on each other. This type of dominance is called incomplete dominance.
It is not necessary to do a test to identify the heterozygous in incomplete dominance. The phenotype and genotype ratio is the same in this dominance. Incomplete dominance is different from co-dominance.
When two heterozygous pink tulips (Rr) cross, then 25% red (RR), 50% pink (Rr), and 25% white (rr) tulip flowers are produced. The phenotype and genotype ratio will be 1:2:1. Therefore, option C is correct.
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What is a drug?
What is the difference between medicines and recreational drugs ?
Give two examples of legal recreational drugs?
Give two example of illegal (against the law) drugs?
What is a depressant?
Give two effects that a depressant drug has on the body.
Give two long term effect of taking a depressant drug.
What is a stimulant?
Give one example of a legal stimulant and one example of an illegal stimulant.
What are the effects of taking a stimulant?
Answer:
recreational - enjoyment i.e. weed, alcohol (legal)
shrooms, lsd (illegal)
liver or lung failure
stimulant- helps asthma and other things example. dexedrine
the effects of taking stimulants is loss of appetite, increased heart rate, elevated blood pressure and body temperature, interrupted sleep patterns, panic, hallucinations, and irritability.
also a drug is a medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body.
Carbon is an organic element found in all life forms. Which of the following
occurs through the process of breaking down carbon-based molecules?
Water molecules are transferred through the body.
Elimination of waste products occurs.
Energy needed for life functions is released
Absorbing of oxygen through pore occurs.
Answer:
The third option Energy for life functions is released
Explanation:
14. A genotype is the
phenotype is the
that an individual has for a character, while the
of a character.
a. Physical traits; alleles
b. Expressed alleles; unexpressed alleles
C. Alleles from mom; alleles from dad
d. Set of alleles; physical appearance
Answer:
A genotype is the genetic alleles (combined one from each parent), and phenotype is the physical appearance of said trait.
Explanation:
With peas—
YY is the genotype
Yellow peas in the phenotype
What are the different sensory structures and what are each of them able to
detect?
Answer;
Chemoreceptor,Thermoreceptors,Mechanoreceptors,Photoreceptors
Explanation:
Chemoreceptors detect the presence of chemicals
Thermoreceptors detect changes in temperature
Mechanoreceptors detect mechanical forces.
Photoreceptors detect light during vision.
True or False: Too much carbon in seawater prevents clams, snails, and other
sea animals from growing their shells.
Answer: False................
Answer:
False
Explanation:
Carbon is one of the most abundant resources for sea animals, and they actually need a lot of carbon to grow their shells.
Which statements correctly describe Arizona’s legislative branch? Check all that apply.
The House is made up of 30 members.
The Senate is made up of 30 members.
The House has 16 standing committees.
Bills passed by the House go directly to the Governor.
Members are elected by Arizona’s citizens.
Answer:
b. The Senate is made up of 30 members
c. The House has 16 standing committees
e. Members are elected by Arizona's citizens
Explanation:
got it 100% right on EDGE 2021
A long fetch will produce low, slow waves. True False
Answer:
False?
Explanation:
A long fetch will produce Large waves.
Do roots, leaves, or stems do more in photosynthesis in plants?
Answer:
Leaves
Explanation:
Leaves help are flat and thin which makes it easy for them to take in more light, which makes them play the biggest rold in photosynthesis.
Why is it difficult for scientist to find fossils from the pre-Cambrian period
1. Discuss how natural selection affects animal behavior and how behaviors can affect the survival of an animal species
Answer:
Animal behavior includes all the ways animals interact with other organisms and the physical environment. ... Behavior is shaped by natural selection. Many behaviors directly increase an organism's fitness, that is, they help it survive and reproduce.
A marine ecologist has constructed the conceptual model shown in the diagram. Which prediction can be made from using this model?
Hello. This question is incomplete. You forgot to put the diagram and answer options.
The diagram is in the figure attached below and the answer options are:
Where the tertiary consumers get their energy
How often primary producers are able to reproduce
When bacteria and fungi initiate the process of decomposition
Whether other secondary consumers are present
Answer:
Where the tertiary consumers get their energy
Explanation:
The diagram establishes the visualization of a food network where it is possible to visualize all the relationships between predators and game, in addition to being possible to observe the relationships between each trophy within a food chain.
With this, it is possible to determine all the ways that tertiary consumers are able to obtain energy and observe how that energy reached them.
Answer: A
Explanation: I just took the test
What sequence of events causes a dead zone?
The different functions of the skeletal system include all of the following EXCEPT: *
a) Forms blood cells
b) Protects internal organs
c) Stores hormones
d) Assists movement
Which type(s) of muscle can contract without stimulation from the nervous system? *
a) skeletal only
b) skeletal and smooth
c) smooth and cardiac
d) cardiac only
Which of the following are events following fertilization? (Check all that apply. There may be more than one answer). *
a) Embryo develops into the fetus
b) Zygote cell rapidly divides
c) Embryo embeds into uterine wall
d) Zygote travels down the fallopian tube toward the uterus
Storing hormones, smooth and cardiac muscles are the correct answers.
Storing hormones is not function of skeleton system. Skeleton system protects internal organs such as heart, kidney and lungs etc. It is also responsible for the movement of the muscles as well as produces blood cells because of the presence of bone marrow.
Smooth and cardiac muscles can contract without nervous system stimulation because they are involuntary Muscle which is beyond the control of the nervous system so we can conclude that storing hormones, smooth and cardiac muscles are the correct answers.
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______ means that the alleles in the genotype are different. A) Recessive
B) Homozygous C) Allelopathic D) Codominant E) Heterozygous
Answer:
B because homozygous is the alleles in the genotype
Explanation:
What are two main sources of genetic material found in viruses?
Answer:
Most have RNA or DNA as their genetic material, but they also consist of a virion, which has nucleic acid and a shell of protein.
Explanation:
Replicating the texture of shark skin to inhibit the ability of bacteria to attach to medical surface is an example of what application of biotechnology
A.Biochemical engineering
B. Biomimicry
C. Bioprospecting
D. Environmental biotechnology
Answer:
Biomimicry
Explanation:
Mendel used more than 28,000 pea plants in his experiments. Why is it
important that he studied such a large sample of pea plants?
A. Having more samples gave him results that were closer to the
predicted ratios.
B. The pea plants were very inexpensive.
C. Using more plants made the experiments take less time.
D. Most pea plants die after producing seeds.
The table below shows the average yearly temp at Ute in four locations near an ocean.
Location A —> 31
Location B —> 23
Location C —> 18
Location D —> 48
Average yearly temperature in four locations near an ocean.
At which location is the density most likely to be the greatest
Location A
Location B
Location C
Location D
Answer:
C
Explanation:
So i forgot what the genetic code is and how its read can somebody please be kind and help me..
Answer:
i d
Explanation:
Examine the picture of an onion root tip with cells in various stages of the cell cycle. A student claims that interphase is the longest stage of the cell cycle. Another student claims that mitosis is the longest stage. Using evidence from the photo, determine which student is correct and why. A) Mitosis is the longest stage because anaphase requires more time to separate chromatids. B) Interphase is the longest stage because chromosomes are visible in the majority of the cells. C) Mitosis is the longest stage because the majority of the cells in the photo are replicating their DNA. D) Interphase is the longest stage because the majority of the cells in the photo have uncondensed chromatin and are not dividing.
Answer:
B
Explanation:
the longest phase in the cell division is interphase because the DNA replication occurs in this phase
As per the image interphase is the longest stage because the majority of the cells in the photo have uncondensed chromatin and are not dividing. The correct option is D.
What is cell cycle?The cell cycle, also known as the cell-division cycle, is the sequence of events that occurs in a cell that causes it to divide into two daughter cells.
A cell cycle is the series of events that takes place in a cell as it grows as well as divides.
A cell spends the majority of its time in what is known as interphase, where it grows, replicates its chromosomes, and prepares for cell division. The cell then exits interphase, goes through mitosis, and divides completely.
Interphase is the longest stage, according to the image, since the maximum of the cells in the photo have uncondensed chromatin as well as are not dividing.
Thus, the correct option is D.
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Your question seems incomplete, the missing image is attached below:
PLEASE HELP Compounds that always contain the element carbon are called
Assume that producers in an ecosystem have 1,000,000 kilocalories of energy. How much energy is available to primary
consumers?
5. Which trophic level has the greatest biomass?
Therefore, according to this question, if it is assumed that that producers in an ecosystem have 1,000,000 kilocalories of energy; 10/100 × 1,000,000 = 100,000 kilocalories of energy will be available to primary consumers.
WHAT IS BIOMASS:The total biomass of an organism in each trophic level decreases going up. This is due to the lesser energy transferred from one trophic level to the next. As the trophic level increases, lower energy is available to convert into biomass. Hence, the higher the trophic level, the lower the biomass.Therefore, if this is the case, the producers at the first trophic level will contain the greatest biomass which will decrease as the food chain progresses upwards.
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How does light behave around opaque, transparent and translucent
Need answer ASAP please
NO copy and paste thanks!
Answer:
Transparent objects allow all the light to pass through them. Opaque ones allow no light to pass through. Translucent allows light to go through but the area in it is no visible to determine the object
Explanation:
Think of Transparent as a window u can see straight through it is clear.Think of Translucent as a window with cold fog on the window light can come through it but you can't see whats outside.Think of Opaque as a black chalkboard light reflect on it but light cannot go through it
What kind of energy is this?
The iron you used to iron your clothes.
Answer:
conduction
Explanation
conduction energy is through touching the object
Kendra was removed from the voting committee for Homecoming King because one
of the nominees was her boyfriend. Why was she removed?
bias
stereotype
OOO
manipulation of information
vested interest
Answer:
Bias
Explanation:
definitely because she could have been biased
