According to the concept of ___________, species evolve continuously over long spans of time.

Fill in the blank(s) with the appropriate word(s).


gradualism

Biology & Microbiology

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The three layers, or coats, of the human eye are the choroid, the sclera, and the ______

(a) Cornea (b) Retina (c) Pupil (d) Ciliary body.

Biology & Microbiology

In the fetus, the ductus arteriosus shunts blood from the pulmonary artery directly to the lung

Indicate whether the statement is true or false

Biology & Microbiology

If a gene expresses itself, but not equally in all individuals that have it, there is a difference in 

A. expressivity. B. penetrance. C. dominance. D. acquired traits.

Biology & Microbiology

Of the two types of glands, the ________ glands secrete their products onto body surfaces or into body cavities or organs via ducts

Fill in the blank(s) with correct word

Biology & Microbiology