Which nonbird reptiles have a four chambered heart?

a. snakes
b. turtles
c. lizards
d. crocodilians
e. amphibians


d

Biology & Microbiology

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The scientist given credit for devising the two-word scientific naming system is

A. Carolus Linnaeus. B. Charles Darwin. C. Gregor Mendel. D. Aristotle. E. Louis Pasteur.

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The observation that freshwater habitats account for only 1% of Earth's water, and they are home to 36% of the known species of fish is due to speciation.

A. parapatric B. prezygotic C. sympatric D. postzygotic E. allopatric

Biology & Microbiology

What is recombination frequency?

What will be an ideal response?

Biology & Microbiology

What is meant by the term pseudogene?

What will be an ideal response?

Biology & Microbiology