How could the introduction of nonnative animal species most likely disrupt the balance of life on the islands?.

If your not fit to drive you have a responsibility to

Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.

When do you think it’s best to take the psat (what grade year / when in the year)?