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kotegsom [21]
1 year ago
5

______________________ spiral movement of growing plants, especially the main stem. group of answer choices twining nodding cont

raction mutations
Biology
1 answer:
AveGali [126]1 year ago
3 0

Nutation is the bending movement of growing plants, especially the main stem. Thus, option D is correct.

<h3>What is nutation?</h3>

Nutation is defined as bending movements of stems, leaves, roots and other plant organs due to difference in growth in different parts of plant organ.

Nutation is also known as circumnutation and it is a particular class of nastic movements during which organ of plants bends in different directions, resulting in swinging motion.

Plant such as monocotyledons and dicotyledons shows plant nutation.

Nutation is the that takes place when force is absorbed at core and other parts in the direction of gravitational forces.

Therefore, nutation is the spiral movement of growing plants, especially the main stem.Thus, option A is correct.

Learn more about nutation here:

brainly.com/question/2180770

#SPJ4

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Answer:

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Explanation:

The outgroup is the most distant taxonomic group that shares no traits or characters with the lineages of interest, which compose the ingroup. You can compare the outgroup with the ingroup to determine the evolutive relationship and which characters are primitive or derived.    

Even though the outgroup shares a common ancestor with the ingroup, this is placed far away in evolution, making the outgroup to be the taxonomic group less related to the other lineages. The lineages in the ingroup share another common ancestor that is more recent in history.

To select the outgroup, you need to focus on what you are interested in. There might be several outgroups, but you should choose the one that is more related or closer to the ingroups. This selection is important because you need to make comparisons to understand the evolution of specific traits.  

In the exposed example, we need to focus on animals that have four limbs. Then, we might assume that the ingroup is composed of Amphibians Crocodiles Dinosaurs. Sharks and Ray-Finned Fish do not have four limbs, so they might be considered outgroups.

From these two outgroups, sharks have a cartilaginous skeleton, while Ray-Finned Fishes have a bony skeleton. This fact makes ray-finned fishes more related to the ingroup than the sharks. So,

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8 0
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Answer  and  Explanation:

Image result for How did the results prove the semiconservative model of DNA

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Explanation:

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