Put the following classes in order from oldest evolutionary development to most recent: Echinoderms, Reptiles, Marsupial Mammals, and Flatworms.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The krebs cycle is also known as the calvin cycle pyruvic acid cycle carbon - oxygen cycle citric acid cycle

Adehydrated patient has high water concentration in her urine and high adh concentration in her blood. which of the following is likely malfunctioning in the patient? a. pituitary gland b. urinary bladder c. kidney tubules d. circulatory system