Why do populations have a variation of certain traits?

Which statement is true about glaciers?

The liquid mercury in a thermometer expands as it is heated. This is a A. change of form. B. change of state. C. chemical change. D. physical change.

In which type of external bleeding is less likely to clot?

You breed a plant that has purple flowers with a plant that has orange flowers and the resulting offspring has purple and orange stripe flowers. What type of heredity does flower color exhibit in these plants?

Which system allows for food to be broken down and made available for a chipmunk's body to use? a. digestive system b. excretory system c. endocrine system d. respiratory system

How are living organisms related

Which bonds are very weak? a. Covalent bonds b. Ionic bonds c. carbon bonds d. hydrogen bonds

If someone told you that a blade of grass, the sun, the air you breathe, and your body were composed of the same incredibly small particles, would you believe them?

State three roles of tissue fluids

Will Upvote for what is the endocrine system responsible A) ridding of waste B) protecting from invaders C) breathing D) maintaining homeostasis