Biology, 23.02.2021 14:00 hairyears3394
Students began a study of 30 guppies small fish during a school year. At the beginning of the year, half the guppies were blue and half were yellow. As the year went by, the guppies reproduced. By the end of the year, there were 50 guppies and 90% were blue. What are the four descriptions that explain how natural selection affected the blue guppies in this study?
Answers: 3
Biology, 22.06.2019 09:00
The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer
Answers: 2
Biology, 22.06.2019 10:30
Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.
Answers: 3
Biology, 22.06.2019 17:00
Which of the following is a feature of all cells? o a. all cells have a nucleus. o b. all cells have dna for at least part of their life cycle. het . o c. all cells are spheres. o d. all cells have a rigid cell wall.
Answers: 1
Students began a study of 30 guppies small fish during a school year. At the beginning of the year,...
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