Biology, 27.06.2019 21:10 alemorachis49
Richard is an avid gardener who spends a lot of time caring for the plants in his garden. to minimize damage from pests from his garden, richard uses a pesticide spray. at first the spray is very effective and kills off most of the insects that he sees on his vegetable plants. however, after a few years of using the same pesticide he notices that some insects are surviving and continuing to eat his plants. this selection for herbicide resistance in the insects is an example ofa. natural selection. b. evolution. c. an adaptation. d. a gene. e. a learned response.
Answers: 2
Biology, 21.06.2019 17:40
What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds
Answers: 1
Biology, 22.06.2019 01:10
Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.
Answers: 1
Biology, 22.06.2019 18:00
Define adaptation. why do organisms adapt? give an example.
Answers: 2
Richard is an avid gardener who spends a lot of time caring for the plants in his garden. to minimiz...
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