Maria takes handfuls of tomato seeds that vary genetically from a bag where they are all mixed together evenly. She places each handful in a separate pot
The first pot has enriched soil and is exposed to sunlight, whereas the nutrients in the second pot's soil have been depleted and the pot is placed in a dark corner. When the tomato plants grow ________
a. the heritability of between-pot differences is 100 percent but the heritability of within-pot differences is 50 percent.
b. the differences within each pot are due to environment and the heritability of between-pot differences is 100 percent.
c. the difference between pots is due to variations in soil and sunlight but the heritability of within-pot differences is 100 percent.
d. the heritability of between-pot differences and within-pot differences are equal, ranging from 50 percent to 60 percent.
Answer: c
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Cocaine blocks the brain's reuptake of ________ so that synaptic levels of these neurotransmitters rise
a. dopamine and norepinephrine b. serotonin and GABA c. GABA and insulin d. dopamine and serotonin
The only country with a national, school-based prevention program targeting sexual abuse is
A) the United States. B) Sweden. C) New Zealand. D) China.