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Travka [436]
3 years ago
15

The first phase of the uterine cycle is the ________ phase.

Biology
1 answer:
Minchanka [31]3 years ago
5 0
Menstrual phase, begins at day 1 and lasts till approximately day 5. The uterus sheds its inner lining of soft tissue and blood vessels, which exits the body. Cramps are caused by the contraction of the uterine and the abdominal muscles to expel the menstrual fluid.
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What did Darwin notice about the life on the Galápagos Islands
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On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to island, which helped him to develop his theory of natural selection.
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3 years ago
Select the correct answer. Which statement about natural selection is true? A. Natural selection and evolution are two terms for
Masja [62]

Answer:

C. Natural selection is the process by which organisms with more beneficial traits are more likely to survive and reproduce.

Explanation:

Natural selection is an evolutional process by which species of living organisms with stronger or more beneficial traits have higher chances of survival and reproduction. In other words, it is the process by which organisms adapt and survive.

Organisms in a population are all different in their own ways. And those with characteristics or traits better suited for the environment are more likely to survive than those without. The selection prefers more beneficial traits and not wholly on the superiority of the organism. So, the survival and reproduction chance of an organism depends on the presence of traits beneficial to the environment, which is how nature selects. And in this process, those selected will dominate the population while those rejected will be reduced or even die.

Thus, the correct answer is option C.

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2 years ago
What is air pressure? At what elevation is air<br> pressure the highest? Why?
Step2247 [10]

Answer:

With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude. On top of Mount Everest, which is the tallest mountain on Earth, air pressure is only about one-third of the pressure at sea level.

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3 years ago
What is extinction ?
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the fact or process of a species, family, or other group of animals or plants becoming extinct.

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