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sladkih [1.3K]
3 years ago
8

During which geological period did reptiles first appear?

Biology
1 answer:
Fed [463]3 years ago
5 0

Answer:

late Carboniferous period

Explanation:

:)

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In 2011 and 2012, scientists working on the Banana River in Florida recorded a dramatic increase in the number of manatee deaths
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Answer:

C) human actions altering ecosystems with serious consequences

Explanation:

The increase in the manatee´s death during 2011-2012 might be directly related to human actions.

The increase in the number of people during the last 50 years to more than 500,000 individuals, and probably the lack of policies and regulation, lead to an enhance in water pollution by sewage tank leaks.

Pollution probably caused a gradual decrease in the manatee´s principal source of food, which also caused an increase in the toxic algae population.

Algae caused the death of manatees as a consequence of human action that altered the natural ecosystem by polluting water.

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Why does it matter that the colorado river no longer reaches its natural end at the Gulf of california?
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It Matters Because Animals will be affected for example some animals will die of dehydration or Some will Die Because they lived in the water 
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4 years ago
What must happen before meiosis can begin?
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The DNA is packed into chromosomes. The DNA replication is the same as mitosis. And after the DNA is replicated, the homologous will double, and now each chromosome now has a homologous pair

Explanation:

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3 years ago
Describe the formation of tissues fluid and lymph​
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As fluid enters the tissue space from the blood stream pressure builds up in this space and as this hydrostatic pressure increases it causes the interstitial fluid to diffuse into the lymphatic capillaries once the interstitial fluid has entered the lymphatic capillaries it is called lymph

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