Which of the following is an obstacle sperm face in attempting to reach the ovum?
A. Only a few viable sperm are ejaculated.
B. Vaginal acidity kills many sperm.
C. Most sperm travel randomly and do not go in the right direction.
D. The cilia are designed to keep out foreign objects.
Answer: B
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Goals of basic research do NOT include
a. solving practical or real-world problems. b. increasing our understanding of human behavior. c. testing hypotheses. d. increasing our understanding of animal behavior.
Individuals' attitudes are __________ predictors of their behavior
A) very strong B) weak C) somewhat strong D) perfect
Rh blood incompatibility occurs when a mother is Rh____ and the fetus is Rh________.
A. Positive, Negative B. Positive, Positive C. negative, negative D. negative, positive
Infants with failure to thrive (FTT) are more likely to be described as voracious eaters.
Answer the following statement true (T) or false (F)