The hormone ACTH stimulates hormone production by the adrenal medulla.
a. true
b. false
Answer: b. false
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Deaf individuals who receive a cochlear implant as adults typically do not regain as much of their hearing as people who receive the implants as young children. Why?
What will be an ideal response?
The net primary productivity is the amount of energy
A. trapped by the autotrophs of an ecosystem. B. given off as heat by producers. C. available for consumers. D. used in metabolism by producers. E. Both given off as heat by producers and trapped by the autotrophs of an ecosystem are correct.
Comparing the human and mouse genomes has revealed that
a. the mouse and human share few genes. b. the mouse and human genomes are identical. c. the mouse and human genomes have no genes in common. d. the mouse and human share most genes. e. the mouse and human genomes have identical noncoding DNA
The Humboldt Current, a river of cold water running deep beneath the Pacific Ocean, sweeps eastward toward the South American coast until it hits the coastline, where it is forced upward near the surface. Deep sediments come up along with the cold water
Predict what you would find along that coast. A) very few sea birds B) limited algae C) tremendous biomass D) lots of rain