About an hour or so after a sperm enters the ovum, these two cells suddenly fuse, becoming one cell. What is this cell called?
A. a chromosome
B. DNA
C. a zygote
D. a gene
Answer: C
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Preschoolers are especially prone to guess about the speaker's referential meaning when
a. feeling sleepy, just before the afternoon nap. b. the message is vague and uninformative. c. wide awake following a hearty morning breakfast. d. they receive instruction from referential communicators.
Caris is very artistically talented and chooses to spend much of her time drawing and painting. This is a good example of
a. a passive gene-environment relation. c. a reaction range. b. an evocative gene-environment relation. d. niche-picking.
Which of the following language milestones typically occurs first?
a. telegraphic speech b. one-word utterances c. using "–ed" to form the past tense of regular verbs in English d. gestural communication
Emilia would be most likely to pay attention to facts about the danger of AIDS during a school assembly and remember the facts for a long time if
a. the speaker emphasized statistical information about AIDS throughout the world. b. the speaker emphasized how the disease has spread in her community and there isn't anything distracting Emilia from listening. c. the speaker emphasized how the disease has spread in her community and at the same time Emilia's best friend is whispering to her about a big party that weekend. d. the speaker is a nationally known expert on AIDS.