When populations of two species work together to obtain resources, they are OA
competing
ОВ.
cooperating
OC
pioneering
OD
arguing

Classify the structures as homologous or analogous, depending on their structure and function.

Anton created a chart listing different types of materials. which best complete the chart?

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.