Biology, 15.01.2020 07:31 gracerhodes4305
If the flow of energy in an arctic ecosystem goes through a simple food chain, perhaps involving humans, starts from seaweeds to fish to seals to polar bears, then which of the following could be true?
question 45 options:
a. polar bears can provide more food for humans than seals can.
b. the total biomass of the seaweeds is lower than that of the seals.
c. seal meat probably contains the highest concentrations of fat-soluble toxins.
d. seal populations are larger than fish populations.
e. the seaweed can potentially provide more food for humans than the seal meat can.
Answers: 3
Biology, 22.06.2019 06:00
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What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin
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Biology, 22.06.2019 13:00
Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now
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