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Stels [109]
3 years ago
15

What of the following happens first?

Biology
1 answer:
slavikrds [6]3 years ago
5 0
The answer is RNA polymerase binds to a promoter region of DNA.
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Describe how the relative zebra density changes over time. What characteristics of zebras could explain why zebra densities are
Brilliant_brown [7]

Due to resource partitioning, zebra relative density changes over time and grass height.

<h3>What is resource partitioning?</h3>
  • Resource partitioning is the process by which due to natural selection, competing species use different resources and niches.
  • In the case of African savanna, right after peak rain all the three grazers (zebra, wildebeest, and Thomson’s gazelle) have high density.
  • After rain in one month relative density of zebras is maximum but it becomes nearly zero after three months due to high density of wildebeest and then increases a little after six months.
  • The density of zebras is greatest when the grass is tallest and most abundant because of resource partitioning as zebras get the most out of eating tall grass.
  • Zebras can eat and digest faster taller grasses with many stems.
  • This gives them an advantage over other grazers in terms of nutrition when the grass is tall.

Learn more about resource partitioning here:

brainly.com/question/15686970

#SPJ4

3 0
1 year ago
Explain how plants and animals help each other obtain energy.
kati45 [8]
Chloroplasts use this energy<span> to create sugar molecules that </span>help<span> the </span>plants<span> grow and reproduce. ... </span>Plants<span> use the carbon dioxide and water, and the cycle begins again. In order to </span>obtain energy<span>, </span>animals<span> do not always have to eat </span>plants<span>. They can also get </span>energy<span> from eating </span>other animals<span> that eat </span>plants<span>.</span>
4 0
2 years ago
Read 2 more answers
Cellular respiration occurs in:
svetlana [45]
Cellular respiration occurs in animals and plants
4 0
3 years ago
Read 2 more answers
If a doctor prescribes tylenol iii with codeine, he or she has prescribed a __________.
Montano1993 [528]

The right option is c. narcotic

Tylenol iii with codeine belongs to the group of medications called narcotic analgesics (pain relievers). Narcotics are drugs that are administered to provide relief from severe pain. Narcotics are sometimes prescribed when other forms of pain relievers are not working. Examples of narcotics are hydrocodone, codeine, tramadol and opium.






8 0
3 years ago
What is the difference between homozygous and heterozygous
Musya8 [376]
Homozygous means "the same" and Heterozygous means "different". If a pheno type is homozygous, for example, it could be XX or xx, while heterozygous could be Xx. Hope that helps.
5 0
3 years ago
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