In the onion root tip cells, which of the following would be evidence of cytokinesis? a. a cleavage furrow forming b. the mitotic spindle has disappeared c. the nuclear membrane has reappeared d. a new cell plate is forming e. all of the above

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.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.