Depending on their environments, animals may gain electrolytes (select all correct choices):
A. from food.
B. from water.
C. across gills and skin.
D. through cellular respiration.
E. from exposure to ultraviolet light.
A,B,C
Biology & Microbiology
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Gymnosome pteropods are primarily
a. herbivores. b. carnivores. c. detritovores. d. omnivores. e. filter feeders.
Biology & Microbiology
Anthers produce
a. ovules. b. seeds. c. megaspores. d. nectar. e. none of these.
Biology & Microbiology
Closely related or similar species are grouped into a single:a
class. b. phylum. c. order. d. genus e. family.
Biology & Microbiology
Which of the following is a multicellular mass that nourishes the embryo until it becomes a self-supporting seedling?
A) the endosperm B) a seed coat C) a fruit D) a cotyledon
Biology & Microbiology