Which is an example of evolution by genetic drift, and NOT by natural selection? A) A small population of bark beetles is carried in driftwood to a new island, where the members reproduce rapidly.
B) A population of lizards develops longer tongues when their food source changes.
C) The bright red feathers of a male cardinal helps it attract a female mate.
D) A female frog lays hundreds of eggs in a clutch, but only a few of the eggs hatch and develop into adult frogs.

A) A small population of bark beetles is carried in driftwood to a new island, where the members reproduce rapidly.

Explanation:

Both the natural selection and genetic drift are responsible for evolution. The key difference between the natural selection and genetic drift is the change in allelic frequency by chance, but in natural selection the allelic frequency change by differential reproductive success.

A) Here, the allelic frequency will change by chance due to shifting of beetles to new island. The members have equal advantage of survival.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds