<u>Answer:</u>
Comparing and contrasting embryos of different species is called Comparative embryology.
<u>Explanation:</u>
It is the branch of embryology where embryos of different specie are compared to find out that how two special are evolutionary similar or different from each other. It also helps in the identification of organism's closest ancestor. For example: When Aristotle observed embryos of different animal specie, he described that egg laying (oviparous) organisms are different from birth giving (viviparous) organisms. This has a connection with organism's developmental pattern which tell that both organisms have different or common ancestry.
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Answer:
Savanna, is a biome, dominated by grasses. It exhibit dry climatic conditions. This biome receives very little rain fall. The tree population is scanty in this biome. The Savanna biome is found in Australia, Africa, South America and India. The giraffe is an animal that feeds upon leaves, fruits and pods of tall Savanna trees. The giraffe is tall enough to reach the highest branches of the trees.
As, in the given situation, more giraffe feed upon the leaves of the trees closest to the ground until all the leaves or vegetation of the ground and closest to the ground cleans up. Members of the population which have taller neck will be able to thrive leaves growing at the top of the tree canopy. This feature is called as natural selection. This involves the survival of the individuals, which have traits suitable for changing environment. The giraffe which have comparatively long neck will have better advantage for survival than the others in situations of scarcity of food.
I am thinking the answer is C. Hope this helps