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natka813 [3]
3 years ago
5

Which energy source is considered non renewable?

Biology
2 answers:
lapo4ka [179]3 years ago
7 0
All fossil fuels are nonrenewable, but not all nonrenewable energy sources are fossil fuels.
aev [14]3 years ago
6 0
One of the non renewable resource is fossil fuels
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Which natural selection condition example can be classified as over production of offspring?
Tatiana [17]
Natural selection is the process by which individuals with characteristics that are advantageous for reproduction in a specific environment leave more offspring in the next generation, thereby increasing the proportion of their genes in the population gene pool over time. Natural selection is the principal mechanism of evolutionary change, and is the most important idea in all biology. Natural selection, the unifying concept of life, was first proposed by Charles Darwin, and represents his single greatest contribution to science.

Natural selection occurs in any reproducing population faced with a changing or variable environment. The environment includes not only physical factors such as climate or terrain, but also living factors such as predators, prey, and other members of a population.

Mechanism of Natural Selection

The mechanism of natural selection depends on several phenomena:

• Heredity: Offspring inherit their traits from their parents, in the form of genes.

• Heritable individual variation: Members of a population have slight differences among them, whether in height, eyesight acuity, beak shape, rate of egg production, or other traits that may affect survival and reproduction. If a trait has a genetic basis, it can be passed on to offspring.

• Overproduction of offspring: In any given generation, populations tend to create more progeny than can survive to reproductive age.

• Competition for resources: Because of excess population, individuals must compete for food, nesting sites, mates, or other resources that affect their ability to successfully reproduce.

Given all these factors, natural selection unavoidably occurs. Those members of a population that reproduce the most will, by definition, leave more offspring for the next generation. These offspring inherit their parents' traits, and are therefore also likely to succeed in competition for resources (assuming the environment continues to pose the same challenges as those faced by parents). Over several generations, the proportion of offspring in a population that are descended from the successful ancestor



Uloborid spider eggs and spiderlings. In any given generation, populations tend to create more offspring than can survive to reproductive age.

increases, and traits that made the ancestor successful therefore also increase in frequency. Natural selection leads to adaptation, in which an organism's traits conform to the environment's conditions for existence.

5 0
2 years ago
What is the source of energy in the water cycle
tino4ka555 [31]
The sun is a source of energy
6 0
3 years ago
C.___P2O3 ___P4+ ___O2 right answers only
r-ruslan [8.4K]

Answer: The answer is B

Explanation: It’s P2O3 and P4 and O3, to balance them you have to put a 2 in the first so it’ll be P4O6 ——— P4 , O6.

6 0
2 years ago
The stage of the cell cycle that occupies most of the cell's life is
Scorpion4ik [409]
This is called the G1 phase I'm sure. 
3 0
3 years ago
Which of the following best describes an advantage of cloning?
MA_775_DIABLO [31]

Answer:

The correct answer would be "Can prevent genetic diseases".

Cloning refers to the process of making an identical copy of organism, cell or DNA fragments.

One of the applications of cloning is eradication or prevention of genetic diseases.

It is done by isolating the correct or functional gene and make copies of it in in-vitro conditions.

The gene or DNA fragment is then inserted back into the cell.

With advancement in cloning process and understanding of stem cells, cloning process also favors tissues and organ harvesting which also help in reducing diseases.

3 0
3 years ago
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