Unripe fruits protect seeds from predation and early germination. What is the major function of ripe fruits?
A) attracting pollinators
B) dispersing seed
C) releasing nutrients to seeds
D) keeping the seed hydrated before germination
B
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In the wild, an animal avoids a food that had previously made it sick. This animal is exhibiting
A. observational learning. B. habituation. C. imprinting. D. operant conditioning. E. classical conditioning.
Which is part of the uterine adnexa
A) Cervix B) Labia C) Fallopian tube D) Vagina.
The promotion phase of carcinogenesis refers to
A) enhanced levels or exposures to a carcinogen B) metabolic oxidation by a P450 cytochrome C) normal cell progression to a precancerous cell D) precancerous cell progression to a cancerous cell E) the amount of DNA damage in a cell
The only known marine lizard, the marine iguana, might be traditionally mostly black in color because they: a. blend into terrestrial surfaces
b. absorb more heat energy. c. attract mates. d. warn other individuals.