9. A mesoderm is a germ layer that arises during gastrulation and is the middle layer of the embryo. An example of inverterbrate with mesoderm is
an earthworm
I just took the test, the answer is weathering.
Answer:
unicellular life first
Explanation:
it arose billions of years ago while multicellular life forms around at least 600 million years ago
Answer: d. assimilating the nitrogen into their own biomolecules.
Explanation: I just had this question for an assignment.
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Answer:
The given statement is true
Explanation:
Ultimately, it is the environment which influences natural selection and thus the evolution of populations. Is it true or false
Solution
It is true that environment influences the natural selection which is mainly governed by the presence of useful resources that can support an individual. Natural selection leads to emergence of useful trait that can help an individual in adopting traits that can make him/her fit thereby causing evolution of species.
Hence, the given statement is true