If we were to compare all these organisms we could say that
1.They all belong to the same genus.
2.They are all eukaryotes.
3.They are all single-celled.
4.They are all Archaeans.
2
You might also like to view...
Signaling molecules secreted by one individual that modify the behavior of others are:
a. corticosteroids b. pheromones c. releasing hormones d. inhibiting hormones e. glucocorticoids
If x indicates the fossils of two closely related species, neither of which is extinct, then their remains may be found in how many of these strata?
A) one stratum B) two strata C) three strata D) four strata
The right atrium
A. is the location of the pacemaker cells of a normal heart. B. prevents blood flow from the right ventricle to the right atrium. C. prevents blood flow from the left ventricle to the left atrium. D. prevents blood flow from the pulmonary artery to the right ventricle. E. prevents blood flow from the aorta to the left ventricle.
Clonal deletion of developing T lymphocytes takes place in which location(s) in the body?
A) the bone marrow B) the spleen C) the liver D) both the bone marrow and the spleen E) the thymus