Which statement exemplifies the biological pump concept?
A) Autotrophs bring in light photons to synthesize ATP.
B) Bacteria oxidize Fe2+ into Fe3+, and Archaea reduce Fe3+ back into Fe2+.
C) Calcium ions are brought into cells while toxic physiological byproducts are released.
D) Primary producers sink to the deep ocean, which provides deep ocean organisms with nutrients when the primary producers die.
Answer: D
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Edwin Southern and his colleagues started the field of genomics
a. True b. False Indicate whether the statement is true or false
Oyster reefs are usually oriented at right angles to the currents in estuaries. How do you think this could be an advantage to the oysters living in this community?
What will be an ideal response?
The study of early life stages has revealed the conservative nature of the genes responsible for
a. food procurement. b. reproductive behavior. c. embryonic development. d. size. e. intelligence.
Research has revealed that the development of psychological well-being and growth is influenced by what?
A. pheromone levels B. associative learning C. imprinting D. physical contact E. sensitization