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xenn [34]
4 years ago
11

Some species of jellyfish use jet propulsion to get around. True or False

Biology
2 answers:
Anastasy [175]4 years ago
8 0

Answer:

The correct answer is "True".

Explanation:

Some species of jellyfish use a form of jet propulsion to swim and get around the sea. For instance, the jellyfish <em>Polyorchis penicillatus</em> contracts its subumbrellar swimming muscles to gain power, which it uses as mechanical energy to perform a jet cycle while swimming. Some studies in this regard have been performed, measuring even the amount of energy needed in the muscles for the jellyfish to swim.

irina [24]4 years ago
7 0

Answer:

True

Explanation:

Jelly fish belongs to the group of animals known as the coelenterates. They are an invertebrates with no eyes, brain, bones or heart and are made up of about 95% water.

Jelly fish moves through water in two ways:

  • Swimming by jet propulsion using a structure known as coronal muscles.
  • By attaching themselves to another objects that moves through water currents.

Hence, the correct answer is 'true'.

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3 years ago
E. coli is a species of bacteria. What advantage does E. coli have over sexually reproducing organisms?
statuscvo [17]
<h3><u>Answer;</u></h3>

The bacteria require less energy to make offspring,

They do not need a partner

Also the reproduction is faster and rapid compared to sexual reproduction.

<h3><u>Explanation</u>;</h3>
  • Asexual reproduction is a type of reproduction that involves one parent and produces offspring that are genetically identical to each other and to the parent.
  • In sexual reproduction, on the other hand, two parents are involved, who produce reproductive cells called gametes that unite to form an offspring.
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5 0
3 years ago
Read 2 more answers
The consistent reduction in fitness (survival, reproduction, etc) in a population due to widespread non-random mating is called
igomit [66]

Answer:

Natural selection

Explanation:

Natural selection occurs when one allele (or combination of alleles of different genes) makes an organism more or less fit, that it is able to survive and reproduce in a given environment. If an allele reduces fitness, its frequency will tend to drop from one generation to the next.

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3 years ago
Material is destroyed at which of these types of plate boundaries?
vodka [1.7K]

Answer:

divergent and convergent I believe

7 0
4 years ago
What does Tt mean to geneticists
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It means that the trait is heterozygous. Also, "T" is common used as the letter to represent the trait "Tall".
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