Fishing gear that modifies the environment can lead to
a. increased complexity of the trophic food web.
b. loss of necessary habitat for target and non-target species.
c. improvement in habitat productivity.
d. increased species diversity in the habitat.
e. Fishing gear has been improved to prevent habitat problems.
B
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Which of the following morphologies are seen among the Chloroplastida?
A. Filamentous B. Colonial C. Sheet-like D. Unicellular E. All of the choices are correct.
In animal cells, microtubules grow from
A. the plasma membrane. B. the outer membrane of the nuclear envelope. C. centrosomes containing centrioles. D. dimerization centers located throughout the cytosol. E. the tips of the chromosomes.
A(n) ____________________ is an enclosed coastal region where seawater mixes with nutrient-rich fresh water from
rivers and streams. Fill in the blank(s) with the appropriate word(s).
Rods exposed to light will _____
A) depolarize due to the opening of sodium channels B) hyperpolarize due to the closing of sodium channels C) depolarize due to the opening of potassium channels D) hyperpolarize due to the closing of potassium channels