The following are all main points of the section Adaptations to Extreme Cold except:
a. 90% of fish biomass in Antarctic seas belongs to a single species of fish.
b. sugar and protein molecules in fish cells prevent fish from freezing
c. some Antarctic fish lack hemoglobin in their blood.
d. some Antarctic fish lack red blood cells.
e. global warming may place these fish in danger of extinction.
A
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The interaction between two species in which both species may be harmed is known as ____
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Two parents with type A blood have a child who is type O. The parents' genotypes must be
____________________ and ____________________ or they must have the ____________ phenotype. Fill in the blank(s) with the appropriate word(s).
__________ relay signals between neurons.
Fill in the blank(s) with the appropriate word(s).