The coloration of adelie penguins is very simple compared to some of their more colorful cousins. their coloration could also be compared to that of some predatory fish (for example, the great white shark). develop a logical argument for how they are similar and why this is beneficial.

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.