About 8% of __________ are exclusively homosexual
a. rams
b. owls
c. monkeys
d. human beings
Answer: A
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_____ are the basic units of sound that change the meaning of a word (e.g., /b/ versus /p/)
Fill in the blank(s) with correct word
If the results of an experiment are statistically significant then they are likely due to:
a. the independent variable. b. the dependent variable. c. a confounding variable. d. either the independent variable or a confounding variable.
A difference between dependent and independent variables is
a. dependent variables are manipulated by an experimenter. b. independent variables are manipulated by an experimenter. c. dependent variables only may be observed. d. independent variables only may be observed.
A test used to find genetic defects that involves taking samples of hair-like material that surrounds the embryo is known as
a. amniocentesis. c. ultrasound sonography. b. chorionic villus sampling. d. embryoscopy.