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malfutka [58]
3 years ago
7

What happened during the Pleistocene to cause global cooling?

Biology
1 answer:
vekshin13 years ago
8 0

Answer:Low Solar Activity

Explanation:brainliest please :)

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How do spores help sustain the population of ferns?
Vladimir79 [104]

Answer:

<em>The correct options are:</em>

<em>There are million of spores that are made by a single plant to help keep its population.</em>

<em>Spores can live for a long time without maturing into an adult plant.</em>

Explanation:

Spores can be described as a means of reproduction in plants like the gymnosperms.

There are millions of spores produced by a single plant so that the chances of their dispersal and maturing into new plants is maximum.

Spores also have the capability to stay dormant until the conditions become favorable for the growth of a plant from the spore.

Another adaptation of spores is that they are light weight so that they can easily be carried away by the wind.

6 0
4 years ago
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1 Describe 2 ways that carbon is removed<br> from the atmosphere.
Alik [6]

Carbon dioxide is removed from the atmosphere primarily through photosynthesis and enters the terrestrial and oceanic biospheres. Carbon dioxide also dissolves directly from the atmosphere into bodies of water (ocean, lakes, etc.), as well as dissolving in precipitation as raindrops fall through the atmosphere.

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4 years ago
1. The hypothalamus in the human brain is involved in thermoregulation of the body.
Olin [163]

Answer:

the character of myth story has been the subject in many cases since the early stages in which is magstorya and a man with an old friend and an e

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3 years ago
What role does fruit play in an angiosperms life cycle?
vaieri [72.5K]
The fruit is where the seeds are stored, so they protect the seed until the conditions are prime. It provides the seed with nutrients and shelter, and then the seed is able to land somewhere, get fertilizer and grow into a plant of its own.
7 0
3 years ago
classify the following characteristics and examples depending on what model of speciation is described.
kvasek [131]

The classification of the characteristics and examples based on the model of speciation that is being described are as follows:

  1. <u>Allopatric Speciation:</u> speciation that is based on geographic isolation.
  2. <u>Sympatric Speciation:</u> organisms are reproductively isolated by postzygotic mechanisms and evolve into different species.
  3. <u>Allopatric Speciation:</u> organisms in different locations are subject to different selective pressures and evolve into different species.
  4. <u>Sympatric Speciation:</u> speciation that does not require geographic isolation.
  5. <u>Sympatric Speciation:</u> bread wheat evolved from two species of wheat with different chromosome numbers.

<h3>What is speciation?</h3>

Speciation can be defined as an ecological and biological process through which new species of a living organism are formed, especially due to isolation of a part.

<h3>The types of speciation.</h3>

In Science, there are five (5) major types of speciation and these include the following:

  1. Allopatric Speciation
  2. Peripatric Speciation
  3. Parapatric Speciation
  4. Sympatric Speciation.
  5. Artificial Speciation.

Read more on allopatric speciation here: brainly.com/question/4493180

#SPJ1

<u>Complete Question:</u>

Classify the following characteristics and examples depending on what model of speciation is described.

Allopatric Speciation  Sympatric Speciation

Speciation that is based on geographic isolation

Organisms are reproductively isolated by postzygotic mechanisms and evolve into different species

Organisms in different locations are subject to different selective pressures and evolve into different species  

Speciation that does not require geographic isolation

Bread wheat evolved from two species of wheat with different chromosome numbers

5 0
1 year ago
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