Mathematics

Mathematics, 22.07.2019 07:30, anime333

The biologist is expecting the number of salmon to rise

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Biology, 01.07.2019 16:00, Mrdwarf7163

Overfishing of salmon has caused populations of wild salmon to decline. to combat this decline, salmon are raised in hatcheries, and then released to the wild. however, researchers have found that hatchery-raised salmon have reduced reproductive success in the wild, compared to wild salmon. they have also identified many genetic differences between hatchery-raised and wild salmon. which statement describes the most likely reason for the differences between hatchery-raised and wild salmon? a. the pressures of a hatchery environment and of the wild environment select for different traits. b. hatchery-raised salmon develop into stronger swimmers than those raised in the wild. c. the pressures of a hatchery environment promote convergent evolution between hatchery-raised and wild salmon. d. hatchery-raised salmon have evolved to have completely different genomes from those of wild salmon.

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Biology, 18.07.2019 10:00, gonjul5045

Will mark brainliset plz need ! what empirical evidence could most effectively and directly be used to convince law makers to remove a dam that is blocking a river used by wild salmon to reach their breeding grounds a.) information about the number of salmon offspring are produced over several years. b.) information on the distance from the ocean to the rivers that the salmon use. c.) information on how often the salmon mate during their breeding season. d.) information on how long it takes the juvenile salmon to grow into adults.

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Biology, 18.09.2019 08:00, octaviangh14

What empirical evidence could most effectively and directly be used to convince law makers to remove a dam that is blocking a river used by wild salmon to reach their breeding grounds a.) information about the number of salmon offspring are produced over several years. b.) information on the distance from the ocean to the rivers that the salmon use. c.) information on how often the salmon mate during their breeding season. d.) information on how long it takes the juvenile salmon to grow into adults.

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Mathematics, 12.10.2019 22:20, khalfani0268

Marine biologist wants to determine the best treatment to eliminate a water-borne parasite from salmon that causes weight loss. there are 40 pacific salmon and 60 atlantic salmon. the biologist wants to check on three different treatments against a control group. block design is chosen with 10 pacific salmon and 15 atlantic salmon in each treatment. which of the following is a valid reason to use a block design for this experiment

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