How is the process of fertilization in animals like the process that takes place in plants? Spores can become sperm that will fertilize the egg.

Self-fertilization is possible if no partner is available.

A sperm cell and an egg cell combine to form an embryo.

Sperm is encased in a grain of pollen to travel to an egg.

What are the three types of counseling established by marine corps policy?

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

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.