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ololo11 [35]
3 years ago
6

What are permanent tissues

Biology
2 answers:
Citrus2011 [14]3 years ago
7 0

Answer:

  • Permanent tissues are composed of cells, which have lost the power of cell division and moulded into anparticular form according to their function.

  • The cells of permanent tissue are mature and have definite shape, size and function.

  • The cells maybe living or dead, either thin walled or thick walled.

  • The cell wall is composed of cellulose, hemicellulose, pectin and lignin.

Rufina [12.5K]3 years ago
5 0
Permanent tissue is composed of cells that have lost the ability to divide and has attained a definite shape or form. There are three main types of permanent tissue. 1) simple, 2)complex, 3) special tissues.
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What most likely happens when lithospheric plates move apart deep below the ocean?
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Factor 1 creates competition and factor 2 creates genetic variation.

Explanation:

Question 1: Magma seeps up along plate boundaries and forms mountains.

When lithospheric plates move apart they create divergent plate margin where magma seeps up along the plate boundary and forms series of mountains. The mid oceanic ridge was formed this way.

  • The lithosphere lies on the weak and molten asthenosphere.
  • Different plate interactions produces a wide range of plate movement.
  • Along a divergent margin usually, two oceanic plates are forced to move apart.
  • The forces the asthenosphere to rise through seeps as magmatic bodies.
  • The rising magma them crystallizes along the margins of the plate to form mountain chains like the mid-oceanic ridge.
  • It is common to find young rocks at the plate margin and the older ones away from spreading centers.

Learn more:

lithosphere brainly.com/question/9582362

Question 2: Factor 1 creates competition and factor 2 creates genetic variation.

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When we have a diverse number of mating options, genetic variation occurs. This suggests that we can have different gene combination as a result of the mating organisms.

A variation in the genetic pool of a place leads to better adaptable traits to survive the environment.

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