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Rina8888 [55]
3 years ago
11

Variation is important within a species because...?

Biology
1 answer:
LekaFEV [45]3 years ago
8 0
survival and adaptability of a species<span>. </span>
Hope this helps(: 
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3. The diversity of organisms present on Earth is the result of--
alexgriva [62]
A. Ecosystem stability
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3 years ago
Scientists originally thought cell membranes evolved before RNA. However, recent evidence suggests RNA developed before the memb
Darya [45]

Answer:

The need for replication, specialization, compartmentalization is key to understand that RNA evolved first

Explanation:

Logical contrast considering a certain catalytic activities of cardinal importance in the early evolution of life ;

• using an RNA molecule that is involved in to catalyzing the process of templated polymerization –selecting a random RNA molecule as a template.

• the ribozyme activity in this process must have engaged an in vitro process in a body part that no longer has a function such that it that can only synthesize moderate lengths of RNA

• when this molecules acts on the copies of itself can replicate

• when it acts on copies of other type of RNA molecules in its surrounding he can promote their replication

• a cooperative system might have evolved from the neighbors to help the survival of this friendly RNA molecules – through catalytic actions, such that a set of different types of RNA molecules evolves with a mark of specialization for different activity.

The development of individual compartments is proposed to be akin to the effective self-replicating systems.

• If RNA molecules are mutually beneficial they may serve the purposes of being specialized for templated polymerization.

• If these RNAs were free to diffuse among a large population of other RNA molecules, they could be assimilated into an established group by other replicating systems, which in turn may compete with the original RNA system for raw materials.

• The quality of the self-replicating systems they generated relies on the compartment that restricts the RNA molecules only to the system they serve.

• compartments started simply and perhaps had simple adsorption on surfaces or simple particles.

• compartmentalization became complex requiring a class of small molecules with varying physicochemical properties liike being amphipathic.

• This gave rise to the phospholipids mainly and the present-day cells often are coated by a plasma membrane consisting of amphipathic molecules in this configuration.

3 0
3 years ago
Which of the following is not a possible effect of increasing carbon dioxide levels in the atmosphere? a. increase in water cont
dolphi86 [110]

Answer:

C. Cutting down forests.

Explanation:

Carbon dioxide is an inorganic gaseous molecule with the chemical formula, CO2. It is naturally released into the atmosphere via a lot of processes. However, CO2 is the most important greenhouse gas as it contributes the most to the global warming effect of the Earth.

The effects of an increase in CO2 concentration in the atmosphere is as follows:

- increase in water contamination and floods

- ocean acidification

- reduction of cold-related deaths

However, the cutting down of forests is not an effect of an increase in CO2 concentration but rather a cause.

4 0
3 years ago
Read 2 more answers
Selling food locally increases sustainable use of the land because crops can be rotated more easily. What is another benefit of
Alenkinab [10]

Answer:

A. Less CO2 emitted from transportation

Explanation:

The other answer options don't make as much sense, since it would basically be from farm to table, answers B and D don't make sense. As for C, farmers would probably end up making more and if not the same, because they'd be able to directly sell a higher percentage of their yieldings from the crop because little to no transportation is required (less bruised or damaged goods) and the store or supermarket they sell it in wouldn't be taking a percentage of their earnings.

3 0
3 years ago
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A person studying a particular field has published her findings. The findings are not testable by others. This person is most li
Crazy boy [7]

Astrology

Explanation:

A person studying the field of Astrology would not have her finds testable  by others because most are descriptive and not experimental in nature.

Astrology is a pseudoscience claiming divination by the positions of the planets and sun and moon.

  • It is simply the study of stars and their patterns.
  • Most astrologers use positions of planetary bodies to predict future events and some topical matters.
  • Astrology is not pure experimental science that can be tested using sophisticated instruments in the laboratory or in the field.
  • Biology is the study of life and follows the scientific way of studying nature.
  • Chemistry and physics are pure sciences that follows the scientific nature in their investigation.

learn more:

Science brainly.com/question/1721226

#learnwithBrainly

5 0
3 years ago
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