What is the thin, whitish skin layer on the top of bones called? 1. periosteum
2. bone marrow
3. hard bone
4. compact bone

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

What is a food web? a. the structure used to trap food b. a set of complex carbohydrates c. a group of interconnected food chains d. the pattern of food nutrition

Describe a desert community where there are fewer producers than consumers.