Which organisms are an example of a keystone species? select 3

Lions, Jagurs, Gray wolf, Sea otters, Sea stars, American alligators, Bees, Sharks, African Elephants, Snowshoe Hare, Beavers, Bears, Bats, Hummingbird

answer: 2

explanation:

yes

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.