Which of these are characteristics of reptiles? Check all that apply.

They undergo internal fertilization.

Their urine is concentrated.

They use their skin for gas exchange.

They have two-chambered hearts.

They are covered in scales.

Which term names two different forms of a single gene? A. traits B. alleles C. factors D. chromosomes

Where is antidiuretic hormone (adh) synthesized, and where does it act?

Which scientist is matched with his contribution to evolutionary theory A - Jean baptiste Lamarck - population growth B - Charles Darwin - inheritance of acquired traits C-Thomas Mathis - relationship of all l bing things D - Erasmus Darwin -

What do people mean when they are "double jointed"?

Most eukaryotic cells contain mitochondria, but a few single-celled eukaryotic organisms found in oxygen-free environments do not.

Which of the following is associated with plates sliding past each other? a. rifts b. subduction zones c. faults d. all of the above

Which of the following most accurately describes the process that must occur when working with research animals covered by U. S.

Female gametophytes in angiosperms are hidden and protected. Where are they found, and what are they called?

What does not contribute to wellness

What is the best method of suicide