Increasing carbon dioxide in the atmosphere is responsible for:
a. coral expelling their zooxanthellae
b. production of excess sediments.
c. bioerosion.
d. oceans becoming more basic.
a
Biology & Microbiology
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Which species have had the least number evaluated for threats?
a. green algae b. fishes c. angiosperms d. birds
Biology & Microbiology
Tubular secretion regulates how much ___ is
secreted into the urine.
a. bicarbonate ion b. hydrogen ion c. glucose d. amino acid e. salt
Biology & Microbiology
The capillaries clustered around kidney tubule cups differ from other capillaries in that they____
a. have a much wider diameter b. are much leakier c. have arterioles at either end d. carry lymph with blood e. have more than one of these characteristics
Biology & Microbiology
An herbivore occupies the third trophic level
____________________ Indicate whether the statement is true or false.
Biology & Microbiology