Biology, 17.12.2020 18:00 alishakira690
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Dry conditions caused the water level in a lake to lower over time, and eventually the one large lake became
two smaller lakes. As a result, a fish species that lived in this lake was also separated into two groups. The
food sources and predators differed between the two lakes. After thousands of years, water levels increased
and the separate lakes became one large lake again. Which of the following is most likely to occur?
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, 22.06.2019 05:50
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
Answers: 2
Biology, 22.06.2019 06:30
Mitosis creates two identical daughter cells from one parent cell creates four nonidentical daughter cells from one parent cell is the most common type of reproduction for bacteria is the process by which male and female reproductive cells are created
Answers: 1
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Dry conditions caused the water level in a lake to lower over time, and eventually the one large...
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