Homologous structures in organisms suggest that the organisms Group of answer choices

have a skeletal structure

must have lived at different times

have a common ancestor

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?