Biology, 07.01.2021 07:00 lilybrok04
There is a lot of talk about gaps in the fossil record. This means that we do not necessarily have fossils for every organism that has ever lived. What do you think could account for these gaps in the fossil record?
Answers: 1
Biology, 22.06.2019 07:30
Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f
Answers: 3
Biology, 22.06.2019 09:30
Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.
Answers: 1
Biology, 22.06.2019 12:00
Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion
Answers: 1
Biology, 22.06.2019 14:30
The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?
Answers: 2
There is a lot of talk about gaps in the fossil record. This means that we do not necessarily have f...
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