Name:

- the stimulus which causes a change in the diameter of the pupil

- the receptor which receives the stimulus

- the effector which causes the decrease in the diameter of the pupil

What are the living things around and in a pond called

Why does the Northern Hemisphere experience spring in March, while the Southern Hemisphere experiences fall? A. The Sun is directly overhead in the Northern Hemisphere in March. B.

What is a grinder in science?

What is an acid? A. A molecule with a pH of 7 B. A molecule with a pH higher than 7 C. A molecule that releases hydroxide ions when added to water D. A molecule that releases hydrogen atoms when added to water

To create animals that have characteristics of both species, some people have bred buffalo and cattle together. This is an example of what

What describes the inner bark of a woody stem

Why alleles for a single trait separate from each other when gametes are made to ensure that each gamete only carries one allele?

What were the origins of agriculture? There are few wild plants consumed widely anymore, especially in the developed countries. Most of the plants we eat as fruits, vegetables, and grains:

What is one of the leading causes of sportsmen's deaths while boating?

A dandelion seed floats across a lake and lands on an island. the seed sprouts and dandelion plants gradually spread across the island. these plants have larger flowers than most of the other dandelion plants on the shoreline of the lake.