Planets are named for the Greek word for wanderer because the planets A) move all over the night sky.
B) move in an orbit around Earth.
C) like the stars, move across the night sky.
D) move through the field of stars a little bit each night

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.