Where do plants get the energy they need to grow? O From plant food or fertilizer
O From the water roots take in
From the soil where roots grow
From the food they make

Apart of an ecosystem that can restrict the growth of a population is referred to as

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

On his trip to the galapagos islands, darwin determined that animals on the islands