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alekssr [168]
3 years ago
11

In vertebrates, the embryonic ____ is replaced by tissues that form a vertebral column.

Biology
2 answers:
Alchen [17]3 years ago
5 0
Notochord

Hope this helps you:)
vladimir2022 [97]3 years ago
4 0

Answer:

notochord

Explanation:

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Answer:

c. They may evolve into two separate species as a result of disruptive selection

Explanation:

Disruptive selection is a type of natural selection wherein some extreme change in the surroundings favor two distinct phenotypes while trimming off the mean. Here, the environmental conditions favor more than one phenotype. In the given example, disruptive selection would favor the light-colored lizards in the sandy region while the dark-colored would be favored in rocky regions due to their respective survival success.

With time, these two populations would accumulate more variations and reproductive isolation would not allow them to interbreed and thereby two distinct species of lizards would evolve.

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11. The behaviors and physical characteristics of  species that allow them to live successfully in their  environment are called adaptations.

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