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makkiz [27]
2 years ago
14

What is the substance called at the top of the test tube after using this centrifuge machine?

Biology
1 answer:
Kryger [21]2 years ago
8 0

Answer:

supernatant

Explanation:

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____keep most populations in their natural habitat at a population size somewhere between extinction and overrunning the ecosyst
valina [46]

Answer:

limiting factors

Explanation:

The ecological optimum represents the value of the factors within the ecological valence at which the life processes of a species take place best. The upper and lower limits of an ecological valence are its maximum and minimum. Beyond these limits, physiological processes are interrupted and death occurs.

6 0
3 years ago
Upon completion of seeding a flower and a vegetable, research and identify the optimum propagation conditions, such as, water an
d1i1m1o1n [39]

Answer:

Needs optimum environmental conditions.

Explanation:

Seedling, a flower and a vegetable needs suitable conditions for growth and development. All of the three stages of plant life cycle requires optimum water, fertilizers and light intensity in order to grow and develop at full speed. Seeds need a specific temperature in order to germinate. Most seeds germinate when the soil temperature is between 68 and 86 Fahrenheit. In the same way the plant also needs specific temperature for bearing flowers. All the stages requires optimum water in the soil for absorption.

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2 years ago
Fatty acids are catabolized through which process?.
AfilCa [17]
This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl CoA, which is used by the Krebs cycle.
8 0
2 years ago
A species of a large brown bear lived in Siberia about a million years ago. Over time, the northern population became white-colo
svp [43]

Answer:

<em>e. speciation</em>

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The definition of speciation is:  the evolutionary process by which populations evolve to become distinct species.

In this scenario, the bears that were once of the same species evolved in order to adapt to their environment. Once they evolved, they could no longer produce with each other, as they are now different species.

8 0
3 years ago
Domestication is the process of selecting wild organisms for their characteristics and keeping those characteristics the same ov
Elden [556K]
False. Domestication is the process of selecting wild animals and CHANGING their characteristics to suit the needs of the producer/owner or breeder.
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