I have moist skin but no scales, and two pairs of legs. Although I have lungs and live on land, my young usually live in water and use gills to breathe.

Which process plays an important role in the biogeochemical cycles of carbon nitrogen and phosphorus

Which of the following would NOT diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin

What is another name for a sheet galcier

What is the largest exoplanet

What two things do scientists use to study the evolutionary trends in vertebrates

How does blood return from the cardiac tissues to the right atrium

Do humans have DNA or RNA in the nucleus of your cells?

What are three common adaptations in the deep pelagic realm?

The difference between mitosis in plant and animal cells is A) the formation of a cell plate in plant mitosis B) only plant cells can perform photosynthesis C) the separation of chromosomes only in animal cells D) plant cells end up with half the

Can be estimated using relative dating or determined using absolute dating