Biology, 13.11.2019 22:31 zachstonemoreau
Which step completes the pollution process shown? a farmer applies excess fertilizer runoff carries nitrogen to a lake ? lake water becomes oxygen depleted
a.) phytoplankton grow rapidly in the lake then die and decompose
b.) bacteria decrease in the lake water
c.) the lake water becomes clearer
d.) fish become diseased
Answers: 1
Biology, 21.06.2019 19:00
The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.
Answers: 1
Biology, 21.06.2019 20:00
2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization
Answers: 2
Biology, 21.06.2019 20:00
What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.
Answers: 3
Biology, 22.06.2019 01:10
Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells
Answers: 2
Which step completes the pollution process shown? a farmer applies excess fertilizer runoff carries...
Physics, 13.12.2019 21:31