A zygote (i.e., a fertilized egg) undergoes development to grow. What mechanism is used to generate more cells?

A) Fertilization
B) Binary fission
C) Meiosis
D) Mitosis


D

Biology & Microbiology

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Background extinction rates eliminate approximately ____ species ____

a. 7-8; per 100 years b. 7-8; per 1000 years c. 7-8; per year d. 100; per year e. 100; per 1000 years

Biology & Microbiology

Which type of plant hormone would be used by commercial grape growers to get larger grapes by

lengthening the stem on which fruits develop?

a. abscisic acid b. ethylene c. auxins d. salicylic acid e. gibberellins

Biology & Microbiology

Four of the five answers listed below are

members of the same group. Select the EXCEPTION.

a. amoeba b. clostridium c. euglena d. water molds e. ciliates

Biology & Microbiology

The scientific study of the diversity of organisms and the evolutionary relationships between them is referred to as:

a. ecology. b. taxonomy. c. systematics. d. evolutionary biology. e. biological classification.

Biology & Microbiology