The open ocean is among the least productive ecosystems on earth. however, it contributes greatly to the overall productivity of the biosphere. how can you explain this

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.