Which species concept is based on the degree of reproductive isolation between populations of species?

a) Phylogenetic Species Concept
b) Recognition Species Concept
c) Morphological Species Concept
d) Biological Species Concept
e) Ecological Species Concept


Ans: d) Biological Species Concept

Biology & Microbiology

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Spina bifida is one of the most common and most complex birth defects involving the ____ system

a. nervous b. circulatory c. respiratory d. digestive e. endocrine

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"Glycogenolysis" refers to the state where

A. glucose levels are increased in the blood through the breakdown of glycogen. B. glucose levels are increased in the blood through the synthesis of glycogen. C. glucose levels are decreased in the blood through the breakdown of glycogen. D. glucose levels are decreased in the blood through the synthesis of glycogen. E. glucose levels are increased in the blood as a result of lipolysis.

Biology & Microbiology

Four of the following organisms belong in the same clade as members of class Reptilia. Which one does not?

A. Turtle B. Fish C. Birds D. Lizards E. snakes

Biology & Microbiology

In prokaryotic cells, the electron transport system occurs in the mitochondria.

Answer the following statement true (T) or false (F)

Biology & Microbiology