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Yuliya22 [10]
3 years ago
9

Primary consumers depend on energy from plants for survival. Higher consumers depend on energy from primary consumers for surviv

al. Which of the following is also true about plants and consumers?
Biology
1 answer:
yaroslaw [1]3 years ago
4 0
The answer is C
The more plants there are, the more consumers there are. If there aren't enough plants, the consumers have no way of getting energy, and therefore cannot survive. The species also matters, because certain species of plants can only be eaten by certain species of consumers.
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Drag each label to the correct location on the diagram.
jeyben [28]

The skeletal muscle, responsible for voluntary contraction is composed of 1) Myofilaments 2) Myofibrilles 3) Muscle fibers 4) Muscle (from the left to the right in the image)

<h3>What is the composition of the skeletal muscle?</h3>

The elements composing the skeletal muscle are,

  • Myofilaments ⇒ Actine and miosine
  • Sarcomere ⇒ It is the functional unit with the contractile apparatus. Composed of the Z band, A and I bands, and H zone.
  • Myofibrilles ⇒ They have the Functional units
  • Muscle fibers ⇒ Surrounded by endomysium
  • Fascicle ⇒ Group of fibers surrounded by perimysium.
  • Muscle ⇒ Group of fascicles surrounded by epimysium.

The sarcomere is the contractile unit in a skeletal muscle. The thick myosin myofilaments are located in the central region of the sarcomere, which corresponds to the A band.

Thin filaments united to the Z lines, extends to the interior of the A band until they reach the border of the H band.

The I band is formed solely of thin actin filaments, belonging to two sarcomeres adjacent to a Z line.

When the muscle contracts, the muscular fiber gets shorter and thicker due to the reduction in length of the sarcomere.

  • The H line and the I band get shorter.
  • The Z lines get closer to the A band, meaning that they get closer to each other. The A band keeps constant in length.
  • This change is produced by movement mechanisms that involve a change in the relative position of actin and myosin filaments.

For a better understanding about muscle contraction, look at the attached files.

From the left to the right,

1) Myofilaments

2) Myofibrilles

3) Muscle fibers

4) Muscle

You can learn more about skeletal muscle structure at

brainly.com/question/11246024

brainly.com/question/12213587

#SPJ1

6 0
2 years ago
When DNA condenses in preparation for cell division, it is called a __________.
labwork [276]

Answer:

A. chromosome

Explanation:

Chromosomes are typically what you see in a chart like karyotype that shows all the chromosomes of a particular organism. These are the highly condensed structures of DNA during replication which makes it easy to transfer DNA during replication.

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Secondary succession 
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Answer:

do you mean a watering pot/can?

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The answer would be yes
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