As human travel increases, the number of introduced species likely

a. decreases.

b. increases.

c. stays the same.

d. is eliminated.

When a word begins with "thermo" like thermometer, the term probably has to do w / heat explain why the name "thermosphere" is a fitting name for this layer of Earths Atmosphere

The root word bio - means

Which chromosomal abnormality results from missing an entire chromosome?

Which of the following is true about structures of axons and muscle cells in order for the nerve impulses to stimulate muscle contractions A. Axons and muscles cells must both have structures that make and secrete the same small molecules. B.

Which chemical can be toxic to the cells if it is not removed?

When does a wheel and axle have a mechanical advantage greater than one?

What do cells need to do between divisions to make sure that a full set of dna gets passed on to each daughter cell?

True or false: The central nervous system allows us to sense the environment

Which of the following statements is false regarding root hairs? a. they are outgrowths of endodermal cells c. they increase the surface area of the root b. they are outgrowths of epidermal cells d. they absorb water and nutrients

Why is it critical to divide the chromosome number in half?