Variables that are always different between the experimental and the control groups are

(a) independent.
(b) controlled.
(c) dependent.
(d) a and c.


(c) dependent.

Biology & Microbiology

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Unequal distribution of yolk and other components in a mature egg is termed ____

a. cleavage b. gastrulation c. involution d. neurulation e. polarity

Biology & Microbiology

The lipid group that is the major component of cell membranes is the ________.

A. triglycerides B. steroids C. waxes D. prostaglandins E. phospholipids

Biology & Microbiology

Through _____ , a body part of an ancestor is modified differently in different lines of descent

a. morphological divergence b. adaptive divergence c. morphological convergence d. homologous evolution

Biology & Microbiology

An insect that exhibits resistance to a pesticide

a. developed the resistance in response to the pesticide. b. mutated when exposed to the pesticide. c. inherited genes that made it resistant to the pesticide. d. drifted from an adjacent field. e. received resistance genes during mating.

Biology & Microbiology