Biology, 05.06.2020 21:05, jkjjoijjm5928
There are two small populations of finches on one of the Galapagos Islands, each feeding on a different size seed. A drought takes place that leaves only production of the larger of the two seed types. Researchers then observe natural selection towards birds with larger beaks and bodies. However, once the rain returned and the production of smaller seeds became more prolific, there was selection towards birds with smaller beaks and bodies. What would be the best interpretation of this observed scenario?
A) macroevolution
B) directional selection
C) bottleneck effect
Answers: 3
Biology, 22.06.2019 10:00, vadrian4056
Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
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Biology, 22.06.2019 10:30, cordovamaria22
Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi
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Biology, 22.06.2019 10:50, prxncekevin
What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis
Answers: 2
There are two small populations of finches on one of the Galapagos Islands, each feeding on a differ...
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