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trasher [3.6K]
2 years ago
5

Why do we see the moon the way we do? what causes different lunar phases?​

Biology
1 answer:
Effectus [21]2 years ago
5 0

Answer:

1. sunlight reflects to us from its surface

2. moons cycle

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Why is meiosis important for organisms? It allows for genetic variation among organisms. It determines which genes are dominant
Studentka2010 [4]

Meiosis is important for organisms since it allows for genetic variation among organisms.

<h2>Further Explanation</h2><h3>Cell division</h3>
  • Cell division is the process in which cells undergo division to form other new cells.
  • There are two types of cell division;
<h3>Mitosis Division  </h3>
  • Mitosis is a type of division in which a parent cell undergoes division to yield two daughter cells that are similar to the parent cells.
  • The daughter cells have equal number of chromosomes as the parent and are identical to the parent.
  • This type of cell division normally occurs in somatic cells of organisms and facilitates growth and development of organisms.
<h3>Meiosis division</h3>
  • Meiosis division is a type of division that occurs in gamete cells where a parent cell divides into four daughter cells that differ from the parent cells in terms of the number of chromosomes.
  • In meiosis the daughter cells have half the number of chromosomes as the parent cells.
  • Meiosis occurs in the gamete cells and facilitates sexual reproduction in living organisms.
  • Meiosis occurs in two phases, that is, meiosis I and meiosis II
  • During the process of meiosis several processes occurs that cause genetic variation among organisms.
  • These processes include, crossing over, independent assortment of genes, among others.
<h3>Crossing over  </h3>
  • Cross over is the process that occurs during the prophase I phase of the first stage of meiosis known as meiosis I.  
  • During the process of crossing over, genetic material is exchanged between homologous chromosomes which enhances the genetic variation in organisms.

Keywords: Cell division, meiosis, crossing over, genetic variation

<h3>Learn more about:</h3>
  • Cell division: brainly.com/question/5220873
  • Meiosis: brainly.com/question/5220873
  • Crossing over: brainly.com/question/5220873
  • Genetic variation: brainly.com/question/5220873

Level: High school  

Subject: Biology

Chapter: Cell division  

Sub-topic: Meiosis  

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3 years ago
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Select all the correct answers. which two statements about composite materials are true? they’re made up of more than one substa
Dima020 [189]

Correct Statements are -

  • They’re made up of more than one substance.
  • They’re readily available in nature.
<h3>What are Composite Materials?</h3>
  • Composite materials are created by combining two or more substances with dissimilar properties.
  • Composite materials have distinct properties that distinguish them from their constituents, and the constituents can be easily distinguished within the composite materials because they do not blend together.
  • Some composite materials are abundant in nature. Wood, for example, is a composite material made up of cellulose and lignin.

To learn more about Matter from the given link

brainly.com/question/1738648

#SPJ4

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