Under the biological species concept, what criterion is used to assign populations of organisms to the same biological species?
A) a very similar appearance
B) being able to interbreed and produce fertile offspring
C) responding to the environment in the same way
D) having 99% of their genes in common
B
You might also like to view...
Although wildfires frequently result in the destruction of large areas of habitat, they also provide opportunities for some species of pine cone-bearing trees to disperse their seeds and grow new trees. In what other way does forest life benefit from wildfires?
a. Nocturnal predators are driven away from prey. b. Forest fires provide warmth during harsh winters. c. Ashes are rich in nitrogen and other nutrients. d. Smoke protects animals from harmful UV rays.
What cell types would you expect to find in a sample of spinal tissue?
A. neurons and adipocytes B. platelets and neuroglia C. neurons and neuroglia D. platelets and adipocytes E. neurons and platelets
In a signal transduction pathway involving phospholipid products as second messengers, after a G protein is activated,
the activated G protein then activates:a. IP2. b. IP3. c. protein kinase C. d. phospholipase C. e. adenylyl cyclase
All of the following are effects of histamine EXCEPT
A) vasodilation. B) fever. C) swelling. D) redness. E) pain.