The diagram shows the life cycle of a frog. Adult frog
What happens at stage 12
A. Embryos develop inside eggs with no protective shells and hatch
in water.
B. The tail disappears and four legs form during metamorphosis.
C. A young tadpole has gills, a tail with a fin, and no legs.
D. Frogs release masses of gametes into the water.

Solutions to environmental problems in europe must

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

Apopulation of rabbits live in a local forest. some had a mutation for a large body and long legs. the graph below shows the number of both the mutant and the normal rabbits over 5 generations. which of the following statements is true for this scenario? question 7 options: the rabbits with the mutation were more successful with restricted food than the normal rabbits. both sets of rabbits were equally successful with the restricted food source.i the normal rabbits were more successful with restricted food than the rabbits with the mutation. the graph does not let us know which rabbit was more successful.