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solong [7]
3 years ago
13

to meet cellular needs for food,water,energy,waste removal,multicellular organisms have developed various specializations,such a

s organs,and organ systems.
Biology
2 answers:
Dvinal [7]3 years ago
8 0

Answer:

The correct answer will be- true and structural specializations

Explanation:

The evolution of life on earth has suggested that life has moved from the simplicity to complexity or from single-celled organism to multicellular organism.

This multi-cellularity is achieved through the property of called cellular differentiation and specialization. as the cellular complexity increases, therefore, cellular demands like the use of energy, food, water and other variables increased.

This lead to the formation of the organ and organs system specializes to perform specific functions like the digestive system and another biological system.

Thus, true and structural specializations are the correct answer.

kherson [118]3 years ago
6 0

Answer: the answer is Structural

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Answer:

a.)<u>fault</u>:A fault is a planar crack or discontinuity in a volume of rock over which rock-mass motions have caused considerable displacement.

b.)<u>focus</u>:The focus is on the location where an earthquake begins deep under the Earth's crust.

c.)<u>epicenter</u>:The epicenter of an earthquake is the point on the earth's surface that is vertically above the epicenter.

d.)<u>seismic waves</u>:Seismic waves are elastic waves that occur in the ground as a result of an earthquake or other natural occurrence.

Explanation:

Hope this helps!

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5 0
3 years ago
Cocaine exerts its pleasurable effects on the brain by:
Semenov [28]

It disconnects the brain's dopamine system.

Further explanation

Cocaine

Cocaine is a capably addictive stimulant medication. For a great many years, individuals in South America have bitten and ingested coca leaves which is source of cocaine, for their stimulant effects. In the mid-1900s, refined cocaine was the primary dynamic fixing in numerous tonics and elixirs created to treat a wide assortment of diseases and was even a fixing in the early plans of Coca-Cola. Prior to the advancement of manufactured specialists utilized cocaine for the relief of pain. However, examine has since demonstrated that cocaine is an effectively addictive substance that can change cerebrum structure and capacity whenever utilized over and over.

Functions of cocaine

It shows very quickly effect after a solitary portion and vanish inside a couple of minutes to 60 minutes. Limited quantities of cocaine for the most part make the person feel euphoric, enthusiastic, loquacious, rationally caution, and easily affected to sight, sound, and contact. The medication can likewise briefly diminish the requirement for sustenance and sleep. Some clients find that cocaine encourages them perform straightforward physical and scholarly assignments all the more rapidly, in spite of the fact that others experience the contrary impact.

Effect of cocaine on dopamine

Cocaine particles block the dopamine transporters which shut down the neuron's capacity to take-up the additional dopamine inside the synaptic parted. This outcomes in expanded degrees of the synapse dopamine present in the extracellular spaces among these neurons.

Answer details

Subject: Biology

Level: College

Key words

  • Cocaine
  • Functions of cocaine
  • Effect of cocaine on dopamine

Learn more to evaluate

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7 0
3 years ago
Read 2 more answers
Which of the following describes a missense mutation?
34kurt

Answer:

C

Explanation:

The answer is C i think but i ould be wrong

8 0
3 years ago
By 1796 it had been observed that milk maids who had been exposed to cowpox did not succumb to the deadly plague of smallpox tha
xxTIMURxx [149]

Answer:

e.)  If exposure to cowpox gives immunity to smallpox in milkmaids, then milkmaids have a natural immunity and their blood should be used to develop a smallpox vaccine.

Explanation:

  • Milkmaids who suffered from cowpox did not suffer from smallpox i.e. they were immune to the disease.
  • If milkmaids did not suffer from smallpox then there must be some element of immunity that they received once they had recovered from cowpox, this would likely be found in their blood as antibodies.

6 0
3 years ago
Suggest one advantage and one disadvantage of<br>using a dichotomous key to identify something.​
prisoha [69]
Advantage: Dichotomous keys are very useful because they allow non-expert users to identify organisms by directing them to look at the known, important organisms. Disadvantage: Disadvantage of dichotomous keys is that if a single wrong decision is made at any juncture, a wrong identification will result. Sometimes it becomes obvious that an error has been made, and you can retrace your steps until you get back on the right track, but this is not always the case
7 0
3 years ago
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