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Ymorist [56]
3 years ago
6

Explain how gravity affects a plant's growth. pls

Biology
1 answer:
otez555 [7]3 years ago
3 0

Answer:

Plants respond directly to Earth's gravitational attraction, and also to light. Stems grow upward, or away from the center of Earth, and towards light. ... Plants' growth response to gravity is known as gravitropism; the growth response to light is phototropism. Both tropisms are controlled by plant growth hormones.

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Why do populations have variaton in certain traits
mash [69]

Answer:

Populations have variation in traits due to random mutation, crossing over and environmental conditions.

8 0
3 years ago
Read 2 more answers
The gland located at the top of the kidney is the ________ gland.
Elza [17]

Answer:

adrenal

Explanation:

The adrenal glands are two endocrine glands in the human body. They are located above the kidneys.  Members of the endocrine system, the adrenal glands are very important to the human body because they make hormones essential for their functioning.

These glands are also responsible for the production of hormones that act on the transformation of fat into glucose by the liver. An example of this hormone is glucocorticoid known as cortisol, which also acts on the degradation of triglycerides. These functions are also performed by the region of the adrenal cortex.

The adrenal glands also produce in the adrenal medulla two other important hormones: adrenaline (also known as epinephrine) and norepinephrine (also known as norepinephrine). These two hormones act on psychic and physical reactions generated by strong emotional situations (mainly related to emotional stress).

8 0
3 years ago
1. Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature? ​
jeka94

»» (c) Biological names can be written in any language.

<h3>EXPLANATION:</h3>

➱ Biological names are derived either from Latin language or are latinised. This is because Latin language is a dead language and therefore it will not change in form or spellings with the passage of time.

3 0
3 years ago
Body parts of unrelated organisms that serve the same function are examples of
anyanavicka [17]
Body parts of unrelated organisms that serve the same function are examples of convergent evolution.
<span>Convergent evolution is the phenomenon when the different species independently create similar features. Those features can be structures that have similar form or function. This happens because organisms have been adapted to similar environments or ecological niches.</span>
7 0
3 years ago
Give an example of the way sexual selection can cause extreme phenotypes in a population
STatiana [176]
<span>When breeding season arrives, male elephant seals define and defend territories. They collect a harem of 40 to 50 females, which are much smaller than their enormous mates. </span>
7 0
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