Describe an example of a chance event that could impact either the Green or Brown Beetle population
What will be an ideal response?
Answers will vary. Sample answers: A flood could occur which would kill off all of the brown beetles, or a new animal may be released onto the island which only prefers to eat the green beetles therefore the green beetle population would dwindle.
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Two-year-old Aretha attends day care five days a week because she has a single mother who works. This means that Aretha falls into the group of close to __________ of children between the ages of 4 months and 3 years who are cared for by other adults.
A. 50 percent B. 75 percent C. 25 percent D. 66 percent
Feelings of attraction have been defined as which of the following?
A. Chemical responses that trigger a desire for another B. Psychological forces that draw people together C. An evolutionary need to find a partner for safety D. A requirement for romantic interest in another person
Extinction in operant conditioning occurs when the ____
a. ?neutral stimulus does not get reinforced b. ?conditioned stimulus is presented without the unconditioned stimulus c. ?behavior is no longer reinforced d. ?individual consciously chooses not to engage in the behavior
All the organs of the fetus are formed and are in proportion to each other as in a full-term newborn, only they are smaller, by
a. the eighth week. c. the fifth month. b. the twelfth week. d. the seventh month.