Maria is concerned because she has been exposed to a small amount of radiation during an X-ray. What is her doctor most likely to tell her

Which tissue acts as a cushion and protects the body? a. epithelial tissue. c. muscle tissue. b. nervous tissue. d. connective tissue.

When a cell is preparing to divide, it makes exact copy of all its nuclear DNA. Each chromosome then consists of two parallel filaments called what?

According to Fick's law of diffusion, diffusion rate is proportional to the surface area of the membrane, the concentration gradient, and which other variable?

The stems of horsetails contain: A. spores B. utensils C. silica

A bird and the snake would both be classified as

Which statement is correct about a vacuole?

Unit 2.4 diversity of life

A life cycle in which organisms switch back and forth between diploid and haploid stages a.) is a haploid life cycle b.) is an alternation of generations life cycle c.) is a diploid life cycle d.) does not exist

Which body system allows for animals to create new life? A. Reproductive system B. Immune system C. Digestive system D. Respiratory system

Where is the most liquid water on earth, and what would have to be done so that humans could drink it?