Give reasons for the following statements
a) Mitochondria are strange organelles.
b) Cells of plants, fungi and bacteria withstand very dilute (hypotonic) external media without bursting.

Describe the iron sulfide hypothesis and the lipid membrane hypothesis.

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.

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.