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inessss [21]
3 years ago
8

Which of the following is a difference between primary and secondary succession

Biology
1 answer:
kirza4 [7]3 years ago
8 0
Primary succession occurs following an opening of a pristine habitat, for example, a lava flow, an area left from retreated glacier, or abandoned strip mine. In contrast, secondary succession is a response to a disturbance, for example, forest fire, tsunami, flood, or an abandoned field.
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Human embryonic development is the development and formation of the human embryo. It is characterized by the process of cell div
iragen [17]

The statements that correctly describe gestation are: the normal period of gestation is about 40 weeks; the stages of this process include: zygote, blastocyst, embryo, and fetus; and changes to the form of the embryo come from differentiation and growth.

The gestation period in humans lasts about 40 weeks and comprises different stages and processes from conception until birth. The main stages of this process include:

  • Zygote: Fertilized ovum.
  • Blastocyst: Cluster of cells that is the result of the zygote going through cell division.
  • Embryo: Unborn human that is still developing, usually before the 8th week of gestation.
  • Fetus: Unborn human in development after the 8th week of gestation.

Moreover, this process implies differentiation as cells specialize for specific functions, for example, muscle cells or nerve cells, and growth as the number of cells increases and therefore the embryo or fetus increases in size.

Learn more about embryo in: brainly.com/question/1673695

3 0
2 years ago
Which natural methods remove CO2 from the atmosphere? respiration ofa. living organisms B.photosynthesis by plants C.evaporation
zysi [14]

Answer;

A) respiration of living organisms.

D)absorption of CO2 from the atmosphere by ocean water.

Explanation;

-The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion.

-Green plants remove carbon dioxide from the atmosphere by photosynthesis. Living organisms - including all plants and animals - release energy from their food using respiration. Respiration and combustion - burning - both release carbon dioxide into the atmosphere.

5 0
3 years ago
Read 2 more answers
Describe how the sun's mass affects planets in a solar system.
ruslelena [56]

Answer:

Explanation:

Due to the Sun's massive size, its large gravitational pull causes the planets and other objects in the solar system to orbit around it. In orbit around the Sun are the eight planets along with their moons, dwarf planets and many much smaller objects like asteroids and comets.

7 0
3 years ago
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There are many people opposed to stem cell research based on ethical grounds. This is because the stem cells used are most often
GREYUIT [131]
B..stem cells can treat diseases with no other cure.
4 0
3 years ago
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If meiosis continues in this case and produces gametes, what statement concerning their genetic variability would be MOST accura
Shalnov [3]
It’s been a while since I did this but B sounds the most accurate.
4 0
3 years ago
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