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mixer [17]
3 years ago
8

How would you explain the “density of the elephant population” to someone?

Biology
1 answer:
cricket20 [7]3 years ago
7 0

Answer:

The most effective experimental approach to assess the effects of elephant impact on vegetation is to assess plant responses under differences in elephant density. It is important that other factors, such as soils or habitat structure are held constant so that the only factor which varies is elephant density.

Explanation:

source: Studying Elephants icun.org

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The ________ and ________ Hemispheres of the Earth experience opposite seasons. A. Western, Northern B. Southern, Eastern C. Eas
lyudmila [28]

Answer:

D. Northern, Southern

Explanation:

The Northern and Southern Hemispheres experience opposite seasons and different day lengths, no matter what time of year. 

3 0
2 years ago
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What was the Cretaceous tertiary extinction attributed to what major events that triggered the extinction of dinosaurs
vfiekz [6]

Cretaceous extinction also known as Paleogene extinction was a period of time when suddenly around three quarter of the animal and plant species began to get extinct from the land. The event happened around 66 million years ago and is considered as the end of cretaceous era that lead to the beginning of Mesozoic era.

Reasons for the mass extinction:

  • Scientists think that a major asteroid or comet hit the surface of earth which deteriorated the earth’s environment, especially by making it difficult for plants to perform the process of photosysnthesis. This is called as Impact hypothesis and scientists think that it was the reason of extinction of so many species because they found debris of asteroid in the land.
  • There could also be some other reasons like climate changes,volcanic eruptions and changes in the sea level which made the environment unfavorable for the survival of living organisms.
  • One of the best known organism that is thought to extinct in cretaceous period was dinosaur.

Extinction of Dinosaurs:

As stated above the exact cause of dinosaur extinction can not be stated with confidence. This is because cretaceous period was the time when so many unfavorable circumstances took place like diseases,  geologic events ,climate change etc.

However, the most believed theory is that some Asteroid hit the surface of earth and turned the climate very very old. Therefore, those amazing creatures were not able to survive that climate.


Hope it help!


7 0
3 years ago
How do daily human activities effect the ecosystem?
mel-nik [20]

things that we do daily such as driving for example, has an effect on our ecosystem. Driving pollutes the air in our ecosystem and uses up gas and diesel resources.

8 0
3 years ago
Hal's business made $500,000 last year this year is business made 650,000 what is the percentage difference?
Pavlova-9 [17]

Answer:

30% difference

Explanation:

Thats the answer

3 0
2 years ago
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_______ are chemicals released by the body that block the release or uptake of neurotransmitters necessary to transmit pain sens
AURORKA [14]
The answer is the endogenous opiate. 
The human body naturally produces its own opiates like substances and uses them as neurotransmitters. These substances include endorphins, enkephalins, and dynorphin, often collectively known as endogenous opioids. Endogenous opioids modulate our reactions to painful stimuli.
7 0
3 years ago
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