Which factor would increase the carrying capacity for white-tailed deer in an eastern temperate forest ecosystem?

The model illustrates a process by which a substance is taken up by a cell

Which one is an advantage of external fertilization a. the offspring are genetically identical to the parents b. more eggs can be fertilzed at one time c. more sperm can be released at one time d. more protection is available for developing plz

What is the major difference between a virus and a viroid?