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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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In a tropical forest some leaves are dark green and some are light green. In a population of caterpillars, homozygous dominant d
Sedbober [7]

Answer:

This is an example of "Disruptive selection".

Explanation:

<em>Disruptive selection</em> occurs when <em>selective pressure</em> <em>favor homozygous</em>. In equilibrium, <em>the two alleles might be present or one of them might be lost</em>. If an environment has two extremes, then in these environments, both alleles are presented in homozygous.  

The disruptive selection causes an <em>increase</em> in the two types of <em>extreme phenotypes over the intermediate forms</em>. Limits between one extreme and the other are frequently very sharped. Individuals belonging to one phenotype can not live in the same area as individuals belonging to the other phenotype, due to the traits differences between them, competition, or predation.

Populations show two favored extreme phenotypes and a few individuals in the middle. Individuals who survive best are the ones who have traits on the <u>extremes forms</u>.  Individuals in <u>the middle</u> are not successful at survival or reproduction.

<em>Color</em> is very important when it comes to <em>camouflage</em>. Dark green caterpillars that live in dark foliage and light green caterpillars that live in light foliage can <em>hide from predators</em> more effectively and will live the longest. Intermediate colored green caterpillars that don't camouflage or blend into either will be eaten more quickly.

6 0
3 years ago
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Which animal is a consumer in this food web that feeds at the lowest and highest trophic level of the ecosystem?
goblinko [34]
Grasshopper is the answer
7 0
3 years ago
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How can examining specimens under a microscope help scientists classify an organism?
ANTONII [103]

Answer:

How can examining specimens under a microscope help scientists classify an organism? It can help scientists classify an organism because they can see it super close up. In plant cells, how are chloroplasts and mitochondria related?

Explanation:

5 0
2 years ago
Your heart is an organ made up of ?
marissa [1.9K]
Heart is made up of Cardiac muscle
6 0
4 years ago
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On a hot summer day in Florida, Sarah was having a picnic with her family. She took a glass,
Simora [160]

Options were missing from the question so the options are:

A.From the ice cube to the glass.

B. From the lemonade to the glass.

C. From the lemonade to the ice cube.

D. From the ice cube to the lemonade.

Answer:  Option C

Explanation:

The main principle of heat transfer is that heat always flows from the hotter body to the colder body.

Here, the hotter body is thermos in which the lemonade was kept and the colder body is cooler in which the ice was kept.

During the mixing of lemonade into ice, the heat will from the hotter body to the colder body which means from lemonade to the ice. This process of heat transfer is unidirectional( hot body to cold body).

Hence, the correct answer is option C.

4 0
3 years ago
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