Which of the following examples is most similar to the plan that conservationists have for restoring the Florida panther population?
A. Reintroduction of captive bred California condors
B. Creation of African wildcat kittens using cloning
C. Reintroduction of male prairie chickens from neighboring states
D. Exchange of grizzly bears between neighboring populations
E. Creation of European hedgerows between stands of forest
C. Reintroduction of male prairie chickens from neighboring states
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Sea anemones are ____
a. polyp forms of cnidarians b. medusa forms of cnidarians c. spongiforms of cnidarians d. spongiforms of echinoderms e. polyp forms of echinoderms
In addition to eutrophication in lakes, which process is being caused by excess nutrients in rivers?
A. warming of the water in the Gulf of Mexico B. introduction of exotic species like Zebra mussels C. the dead zone in the Gulf of Mexico D. decreased plant growth E. clogging of city water lines
Chlamydomonas, although a green algae, is sensitive to an antibiotic, erythromycin
If mt– mating-type alga that is sensitive is mated with an mt+ cell that is resistant, and if the mt+ strain donates chloroplasts, what results do you expect and why? A) All progeny are sensitive because sensitivity is the dominant trait. B) Approximately half the progeny are sensitive because this is the recessive trait. C) All the progeny are sensitive because this is the recessive trait. D) All progeny are resistant because cpDNA is responsible. E) Approximately half the progeny are sensitive because cpDNA is responsible.
Bulk flow in the phloem tissue is mostly downward whereas bulk flow in xylem is mostly
A. upward. B. sideways. C. also downward. D. very little bulk flow occurs in xylem. E. flow of sugars.