Cookbooks sometimes recommend that a salt water soak for 30 minutes will help to rid fish fillets of their" fishy" taste. Choose the best explanation why this step would be effective. O Diffusion will put more water into the fish and dilute the" fishy" contents. O Surrounding the fish with a low water concentration should draw out water ( osmosis ) and any molecules in it. O Surrounding the fish with a high water concentration should draw out water and any' fishy“ molecules in it. O Surrounding the fish with a high salt concentration should mask the "fishy' taste.​

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?

Diffusion and osmosis are forms of passive transport

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.