Cells in the human eye send nerve impulses to the brain that cause the pupil to constrict. This is an example of a reaction to what kind of stimuli?

chemicals

light

touch

sound

What is the correct chemical equation for cellular respiration

Which statement best describes why a machine is useful? A machine does a greater amount of work than the amount of work that is done on it. Amachine does a smaller amount of work than the amount of work that is done on it.

Commitment, challenge, and control are components of which stress fighting personality trait?

If a head cold interferes with your sense of smell, how do you think your sense of taste would be affected

In the process of swallowing, food cannot normally enter the trachea because the

What process do the arrows for oxygen going in and water coming out represent in the Figure 9-2 diagram of the mitochondria?

Sponges are made up off

The maxinmum numbers of individuals of a particular species that a partiticlar environment can support is its

What is the layer of the atmosphere 20 km above Earth's surface

An experiment was conducted to determine which type of fruit attracts the most fruit flies. Equal sized pieces of apple, pear, and banana were placed in separate containers at different areas around the school.