Answer two to get 50pts
5. (2003-36) Which of these types of reproduction
provides the most protection to developing
offspring of land-dwelling animals? (1 point)
a. An egg with a leathery shell
b. An egg in a mass of jelly
c. An egg carried internally
d. An egg in an eggshell
6. (2003-7) The jimsonweed Datura stramonium,
normally has 12 chromosomes in the body cells.
How many chromosomes will an egg cell of the
weed have? (1 point)
a. 6 chromosomes
b. 12 chromosomes
c. 24 chromosomes
d. 18 chromosomes

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody

The primary organisms involved in the process bacteria and fungi.

According to cell theory; which structures carry out the basic function of living things? a. atoms b. organs c. cells b. nuclei