Khalil and Vera are visiting a region of land that is unfamiliar to them. They observe a community of grasses and shrubs, as well as a variety of insects, birds, snakes, and small mammals such as mice and rabbits. Khalil claims that they are visiting a meadow ecosystem that, if undisturbed, will remain stable for many years. Vera argues that Khalil is incorrect. She claims that the ecosystem is undergoing ecological succession, and that it likely will become a hardwood forest. Which observation from this region would provide the strongest evidence in support of Vera's claim
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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.
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Biology, 22.06.2019 09:00
Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm
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Biology, 22.06.2019 15:10
Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?
Answers: 1
Khalil and Vera are visiting a region of land that is unfamiliar to them. They observe a community o...
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