Which of the following whale species are recovering their population numbers as a result of whale harvesting regulations?
I-right whales
II-Pacific gray whales
III-sperm whales
IV-fin whales
V-humpback whales
A. I and II
B. I, II, and III
C. II and V
D. I, II, III, and IV
E. I, II, and V
C. II and V
You might also like to view...
How do phototrophic microorganisms benefit when associating with corals?
A) Calcium and carbonate ions are released, which help buffer the pH and prevent dramatic pH shifts. B) The coral skeleton is used as a source of bicarbonate for the autotrophic growth of the phototrophs. C) The coral skeleton is an extremely efficient light-gathering structure that greatly enhances light harvesting for photosynthesis. D) The water's temperature in and around the coral skeleton is much warmer.
Photorespiration
1.is another name for the Calvin cycle. 2.will happen in wet climates. 3.happens when the plant requires energy. 4.happens when oxygen levels are high in leaf tissue. 5.happens when carbon levels are high in leaf tissue.
Insulin helps regulate blood sugar at homeostatic levels by
A) stimulating alpha cells of the pancreas to produce more hormones. B) promoting the entry of glucose into cells. C) stimulating the breakdown of glycogen to glucose. D) activating hormone production in the posterior pituitary gland. E) promoting the breakdown of fat.
What kind of circulatory system do fishes have?
A) tricuspid loop B) open circulatory system C) single loop D) double loop