Which is an example of the bottleneck effect?
a)green beetles move to a new location and build a new colony there.
b)green beetles survive as birds don't see them, whereas brown beetles get detected.
c)insecticide spraying eliminates all but a few of the beetles on an island.

The body is protected against harmful flu viruses by

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except