Which tissue contains a calcified ground substance and is specialized for structural support?

a. muscle tissue

b. dense regular connective tissue

c. areolar connective tissue

d. bone connective tissue

At which stage of mitosis do you first see the chromosomes appearing?

Bone marrow can be found in the many hollow spaces in the blank of this type of bone

All of the following are positive effects of cardiorespiratory fitness except A. preventing low back pain B. strengthening the heart C. reducing heart disease risks D. using energy stored as fat

Most cellular processes can only occur within a very narrow pH range. What substances regulate an organism's pH so it can maintain homeostasis?

If two genes are on the same chromosome and rarely assort independently, a. crossing-over never occurs between the genes b. crossing-over always occurs between the genes c. the genes are probably located far apart from each other d.

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.