In order to make sure that the test results of the variables are true or that you did not make a mistake in the experiment.
Huh can u explain the question better plz
Answer:
D
Explanation:
As population grows all the above factors increase expect the biodiversity of animal and plant species.
<u>Answer:</u>
<em>It is not true to say that common ancestors occurs only within a single species rather two species with similar traits might have a common ancestor. </em>
<u>Explanation:</u>
If the ancestor is same for both the species then it is said that both the species are closely related and share common ancestor with similar evolutionary relationship.
Phylogenetic tree are drawn and studies are done to understand the ancestor of a species. The evolution has occurred from the ancestor to the new species formed.
Muscle cells do not form different types of tissues, the muscle tissue is one of the 4 basic categories of tissues found in humans