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Ivenika [448]
3 years ago
11

How does evolution involed?

Biology
1 answer:
Andrew [12]3 years ago
8 0

Evolution is a theory about the origin of life. Evolutionary theory implies that life evolved (and continues to evolve) randomly, or by chance. Evolution results in progress; organisms are always getting better through evolution. Individual organisms can evolve during a single lifespan.

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What could serve as a dependent variable in an investigation of salt's effects on cheek cells?
Ierofanga [76]

Answer:

Effect on the cheek cells

Explanation:

An independent variable is something you change (ex. the amount of salt used). The dependent variable is the thing you are studying (ex. Cheek cells)

5 0
3 years ago
If the midwest experiences a severe drought that damages the corn crops, we should expect the
Reil [10]

If the Midwest experiences a severe drought that damages the corn crops, we should expect the supply of corn to decrease and the price of corn to rise.

Severe drought is a long period of abnormally low rainfall and dry weather, in a specific region, which negatively affects plants and living organisms. Severe droughts can have a considerable effect on the agriculture and ecosystem of the affected region. Severe drought damages crops, thus it influences crop production.


5 0
3 years ago
PLEASE HELP!!!
sweet-ann [11.9K]

Answer:

d. nuclear division

Explanation:

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3 years ago
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Which of the following is not a possible cause of mass extinction?
mr Goodwill [35]

Answer:

It's C.

Explanation:

8 0
3 years ago
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Four examples of the effects of environmental change are given. Match each one with the type of environmental change it demonstr
Vikki [24]

<u>Answer</u>: The answers are matched as follows:

African forests have been hunted to near extinction levels to obtain ivory-------------->human exploitation

The eruption of mount Saint Helens destroyed some populations of conifers------> natural disasters

An infection with a fungus reduced the population of North American Elm trees ----> disease

Increasing global temperatures have altered migration patterns of humpback whales ------>climate change

<u>Explanation</u>:

  • <em>Human</em> <em>exploitation</em> is the unethical or selfish use of resources to satisfy their own personal needs or for any profitable activity which harms the resources in such a way that they get limited. Humans have been hunting elephants to obtain ivory for many purposes such as making jewellery etc. and earning profits from it. Due to such extensive hunting they have driven the elephants to a level of extinction and thus, this is a form of human exploitation.
  • Mount Saint Helens is a volcano and its eruption which harms the population of the trees in the area is a form of natural disaster since volcanic eruption is a <em>natural</em> <em>phenomena</em>.
  • Fungal infection is a <em>disease</em> which is cause by the microorganisms which harms the population of the Elm trees.
  • Increase of global temperature is a type of climate <em>change</em> and thus, this effect of alteration of migration pattern is caused by climate change.
3 0
3 years ago
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