Which statement best describes a keystone species? a. it has little genetic variation. b. it has an extremely high population. c. it remains unaffected by all environmental changes. d. it has a strong influence on the ecosystem. e. it’s the first species to populate a new ecosystem.
Answers: 1
Biology, 22.06.2019 02:40, maisieisdabomb23
How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.
Answers: 1
Biology, 22.06.2019 03:00, ninaaforever
Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.
Answers: 1
Biology, 22.06.2019 22:30, zwalkert01
Label the offspring chromosomes a1, a2, b1, or b2. circle any mutation chromosomes.
Answers: 3
Which statement best describes a keystone species? a. it has little genetic variation. b. it has an...
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