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Blizzard [7]
3 years ago
14

What are gemmules, and what is there role in a sponges reproduction

Biology
1 answer:
Nezavi [6.7K]3 years ago
3 0
Gemmules are internal buds found in sponges and are involved in asexual reproduction. It is an asexually reproduced mass of cells, that is capable of developing into a new organism i.e., an adult sponge.
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Which area of the brain may be affected when a client with anxiety disorder shows symptoms related to respiratory activation and
Brilliant_brown [7]

Answer:Medulla and pons.

Explanation: Brain is the part of the body that controls all body activities. Medulla and pins are part of the brain.

Medulla controls respiration. It receives signals from chemoreceptors and send to muscles that allow respiration. It also regulate heart rate and blood pressure to ensure adequate blood supply circulate the body system.

Medulla also help in adjusting respiration when there is need and also generates normal breathing movements by stimulating the nerve that supplies the diaphragm. This pons are located under the medulla and it controls speed of involuntary respiration( respiration

Not under conscious control).

When a patience shows a disorder in respiration, invountary respiration, increase in heart rate its a disorder of Medulla and pons also called Brainstems

3 0
3 years ago
The density of solid aluminum is 2.70 . If a 1g piece of aluminum is dropped in a cup of water, it will . (The density of water
Olegator [25]
Sink to the bottom because it is more dense than the water.
3 0
3 years ago
Explain what is different about how genetic
Olenka [21]

Answer:

The main difference between eukaryotic and prokaryotic cells is that eukaryotic cells have a nucleus.

The nucleus is where cells store their DNA, which is the genetic material.

The nucleus is surrounded by a membrane. ...

Explanation:

All prokaryotes are single-celled (unicellular) organisms.

6 0
3 years ago
Which of the following is NOT true of bacteria?
enyata [817]

If you go on mc3.edu/admissions/applying-to-mccc/testing-and-assessment/assets/biology-placement-test.pdf page 11 it will tell you all the answers to your questions....

Download pdf
5 0
3 years ago
A source from which organisms generally take elements is called
Anit [1.1K]

Answer:

A source from which organisms generally take elements is called exchange pool (option B).

Explanation:

Options for this question are:

  • <em>Food web.</em>
  • <em>Exchange pool.</em>
  • <em>Reservoir.</em>
  • <em>Biotic community.</em>

The term exchange pool is related to the biogeochemical cycles that exist in nature, referring to the source from which elements present in the environment become part of living organisms.

<u>Exchange pools are the biotic components</u> -like animals and plants- of an ecosystem, which determine the passage of elements between living beings. An element can remain as a reservoir (abiotic) in the soil, and then be incorporated into the exchange pool.

4 0
4 years ago
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