Biology, 25.10.2021 14:00 akaeiraspruell
Every fall many people put leaves that have fallen from local trees on their gardens. By the following summer, many of these leaves seem to have disappeared. What happened to them?
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Biology, 22.06.2019 04:30
In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?
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Biology, 22.06.2019 09:30
Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit
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Biology, 22.06.2019 11:00
2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.
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Biology, 22.06.2019 11:00
Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?
Answers: 2
Every fall many people put leaves that have fallen from local trees on their gardens. By the followi...
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