Acatastrophe changed the climate of an area, causing a number of species to become extinct in a short period of time. a few new species evolved in the short period of time and were well adapted to the new climate. if documented this would provide evidence for

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