Identify and briefly explain the significance of three skeletal and/or skull differences between apes and hominids. What will be an ideal response?
The ape skull has prominent supraorbital ridges above the eye sockets whereas hominids lack
this ridge. Hominid faces are flatter than apes. The arrangement of teeth in an ape’s jaw is
rectangular, and hominids have a u-shaped rounded jaw. Another trend in hominid evolution
is an increase in brain size accompanied by an increase in the cranium of the skull.
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When an animal imitates the behavior of another animal, this is an example of ________
a. operant conditioning b. habituation c. classical conditioning d. none of the choices
Malaria is caused by Plasmodium falciparum, a non-motile protist that contains a cluster of microtubules at one end of the cell. Once injected into the bloodstream, these microtubules are used to attach to red blood cells. In areas of the world where malaria is endemic, people have a relatively high incidence of the allele for
A. sickle cell. B. blue eyes. C. cystic fibrosis. D. mental retardation. E. hemophilia.
The slow flow of blood in the capillaries facilitates the production of bicarbonates in the blood.
a. true b. false
Which best describes the state of spores?
A) Actively reproducing stage B) Active feeding stage C) Dormant survival stage D) Early death stage