Which is an example of an internal stimulus?

A.

a sudden change of air temperature

B.

an artificial light that attracts insects

C.

an increase in the amount of water available to a plant

D.

a decrease in oxygen levels in the blood during exercise

What happens when chlorophyll and other pigments absorb light?

Which best describes a recessive allele? A) always inherited from a parent when a dominant allele is inherited from the other parent B) never inherited from a parent when a dominant allele is inherited from the other parent C) only determines

How many chromosomes are in the human body

When handling cat litter, humans can potentially be exposed to a harmful single-celled protozoan. Its primary host is the common domestic cat, but it can also live in humans. This protozoan is an example of a predator producer parasite scavenger

What is the relationship between air pressure and winds

Organisms that have groups of specialized cells organized into organs are always

What is a cell how does it effect the body

A farmer crossed a yellow maize plant (Yy) with another yellow maize plant (YY). He planted 200 seeds from this cross. How many of the plants would be yellow?

How do the methods of scientists lead to knowledge?

Actions you do without thinking about them