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Biology

Genetic drift is one mechanism of evolutionary change. Which of the following best describes an example of genetic drift? A. A small population of frogs, which used to be brown and green, is now all green due to chance. B. Gazelles, which are preyed on by cheetahs, have gotten faster and more agile over time. C. The genetic variation between two populations of gorillas decreases due to interbreeding. D. Over time, birds acquired stronger beaks by opening and eating tougher nuts and seeds.

which plant can survive in dry environments? a.pine tree b.palm tree c.lily pad d.cactus

If there is an increase in evaporation due to higher ocean surface temperatures, what process would need to increase to keep the water cycle balanced? Evapotranspiration Precipitation Respiration Water runoff

plate tectonics is the movement of the lithosphere plates. these plates float on the (cryosphere, asthenosphere, hydrosphere, atmosphere) and move because of mantle (convection, reduction, condensation, growth).

What is restoration growth?

The rough ER is connected to the ________membrane and to the______ER.

What kind of organism is used go produce human insulin?

A group of interbreeding organisms of the same species living in the same place at the same time is called a _______________. a. habitat c. population b. community d. stratification

Where does dna replication occur in a cell?

This is an artificial genetic sequence from combining two other sequences in a plasmid.

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