What will happen with the CO2 next?
The picture represents gas exchange in the alveoli. Observe
what is happening at location X.
It will move out of the body.
It will enter the blood.
It will be carried to cells.
It will undergo respiration.
A
20
O

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Explain why the plants cortex would serve as the best food source for animals

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.