Vertebrates that are cold-blooded, have dry skin and scales and usually lay eggs are classified as

a. amphibians

b. birds

c. reptiles

d. mammals

Is snow a type of precipitation? Explain why or why not.

How do beaver dams contribute to species diversity in an ecosystem?

How does your data demonstrate the definition of a half life?

Which of the following sciences is not considered a natural science? biology astronomy physics computer science

The fluid that surroundeds all cells in the body is konw as.

In theory the enzymes should work in colder conditions but at a lower rate, why?

Cyanobacteria have been engineered to produce isobutanol directly. What advantage does this have over other alternative biofuels? a. It is an inherently renewable fuel source. b. Multiple processing steps can be avoided. c.

Describe the appearance of dense connective tissue

What us one role that lipids play in the boy

Which meninx surrounding the central nervous system contains blood vessels that nourish the neural tissue?