Fisheries are select one: a. the number of fish caught in a certain area. b. one or more stocks of fish that can be treated as a unit. c. all the marine animals and plant life. d. the catch that is discarded and never used. question 3 not yet answered marked out of 10 not flaggedflag question question text match the marine mammal with its appropriate classification. baleen whales answer 1 polar bears answer 2 dugongs answer 3 toothed whales answer 4 sea lions answer 5 question 4 not yet answered marked out of 2 not flaggedflag question question text how would you describe kelp? select one:

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .