The same kinds of cells that grow in similar patterns in different but related organisms produce
a. homologous structures such as wings and arms.
b. the same kind of embryos.
natural variations in a population.
d. descent with modification.

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?

You see a white marker with an orange circle and black lettering. what does this marker tell you

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.