To be useful in the scientific method, an observation must be: a. proven. b. measurable. c. definite. d. metaphysical. e. hypothetical.

In the last few centuries, the number of species becoming extinct on earth has a. decreased dramatically b. decreased slightly c. increased slightly d. increased dramatically

The forearm of a human and the leg of a cat are examples of

The ADP-ATP cycle is critical to producing cell energy. What do you know about this cycle?

In semiconservative dna replication, each new double helix formed will have

What is the benefits of using windmill as compared to burning fossil fuels?

What are delusions? what are some symptoms?

What happens to Earth when it is farthest from the sun? It moves fastest. It stops rotating. It moves slowest. It stops revolving.

What are two different habitats in a prairie ecosystem and name one organism found in each habitat.

Which level on the energy pyramid has the third most energy? A. primary producers B. primary consumers C. secondary consumers D. tertiary consumers

How do pH affect the stability of double-stranded nucleic acid?