Historically, eukaryotic organisms that did NOT fit into other kingdoms were placed into which kingdom?
A. Protista
B. Fungi
C. Plantae
D. Animalia
Ans: A. Protista
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If pollen of one species of plant lands on the stigma from another species, then ________
a. it binds but does not germinate b. a hybrid plant is produced that may or may not survive c. it germinates but the sperm will not fertilize the egg d. it does not bind because it lacks the proper recognition proteins
Which was responsible for destruction of the ozone layer?
a. chlorofluorocarbons b. carbon dioxide c. methylmercury d. methane e. nitrogen
Parasitism is an intimate species interaction in which ______________
A. both species benefit B. both species are harmed C. one species benefits, and the other is harmed D. both species are unaffected E. one species benefits, and the other is neither harmed nor benefited
Along with the egg, what would you expect to find in the part of an embryo sac next to the micropyle?
a. the seed b. the central cell c. the synergids d. the antipodal cells