Which of the following refers to an effect of life experience that leaves a molecular mark that affects gene expression? a. Epigenetics. b. Adaptation. c. Evolution. d. Natural selection. e. Universal moral grammar.

Why is there no atmosphere on the Moon?

A 1.5-m-long glass tube that is closed at one end is weighted and lowered to the bottom of a freshwater lake. When the tube is recovered, an indicator mark shows that water rose to within 0.40 m of the closed end. Determine the depth of the lake. Assume constant temperature.

Why don't the elements within an A group in the periodic table have identical properties?

What does it mean to say that the heritability of height is 90 percent? What does that tell us about the contribution of genetics to any one person's height?

Junita does not feel like getting out of bed, has lost her appetite, and feels tired for most of the day. Which of the following neurotransmitters likely is in short supply for Junita? a. Dopamine. b. Serotonin. c. Norephinephrine. d. Acetylcholine. e. Glutamate.

Generally speaking, heritability is the extent to which a. differences among people are accounted for by genes. b. an individual's specific traits are due to genes or the environment. c. differences among people are due to the environment. d. differences among people are due to their cultural heritage. e. an individual's height is related to the height of his or her parents.

Which of the following is an example of gene-environment interaction? a. Yeh Lin experiences flushing syndrome, which mostly occurs in people of Asian heritage. b. Alfonso gets food poisoning from eating under-cooked meat.

The dual-processing model refers to which of the following ideas? a. The right and left hemispheres of the brain both process incoming messages. b. Incoming information is processed by both conscious and unconscious tracks. c. Each lobe of the brain processes incoming information. d. The brain first processes emotional information and then processes analytical information. e. The thalamus and hypothalamus work together to analyze incoming sensory information.

Explain the three major influences on individual development, according to the biopsychosocial approach.

Cognitive neural prosthetics are placed in the brain to help control parts of the a. motor cortex. b. auditory cortex. c. somatosensory cortex. d. visual cortex. e. olfaction areas.

One reason that identical twins might show slight differences at birth is a. they did not develop from a single fertilized egg. b. one twin’s placenta may have provided slightly better nourishment. c. they develop from different sperm. d. one twin gestated much longer in the uterus than the other. e. their relative positions in the uterus.

Which of the following is most closely associated with the idea of epigenetics? a. Eye color. b. Gene display based on environmental factors. c. IQ as a function of educational experiences. d. Height at birth. e. Shoe size.

Explain four of the important ideas behind natural selection.