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2 years ago

A benefit of monoculture farming practices is what?

1 answer:

4 0

The main benefits of the monoculture farming are that it has higher production, is more efficient, and has lower costs. All three advantages of the monoculture farming are making it much more attractive for the farmers as it is more profitable and easier for work.

In this type of farming there's no spaces of the arable land that are lost because it is all planted with the same culture, and there isn't any other cultures with which there should be made empty spaces in between.

The costs for farming are lower, and also the work is easier and more efficient because the machinery can be used in the same manner constantly and the work can go on systematically on the farmlands.

On the other hand, we have to mention that there are also negative effects of this type of farming like the total destruction of animal and plant biodiversity in the area where it is practiced, as well as making the entire crop vulnerable to diseases and environmental changes.

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A student conducts a mark-recapture experiment to estimate the population size of sunfish in a small pond near her home. In the

jok3333 [9.3K]

Answer:

348.75 individuals, however you may need to round

Explanation:

To solve this problem, you need to think of the proportions you are given. Since she marked 45 fish in the beginning, and assuming none died, you can assume that there are 45 marked fish in the whole population. Therefore, when she takes the sample of 62 and sees that there are 8 marked fish, a good strategy is to take that proportion and use it to solve for the population like so:

8(marked fish in sample)/62(total in sample) = 45(total marked fish)/x(total population. Next cross-multiply 45 * 62 and 8 * x and set them equal to each other, getting you to the equation 2790 = 8x. Finally, to find x, the population size, divide 2790 by 8 to get x= 348.75.

5 0

2 years ago

Living organisms must acquire energy from their environment. Examples of adaptations that help organisms acquire this energy inc

krek1111 [17]

Answer:

The correct answers are Option A and B

Explanation:

A. The dark, heat-absorbing coloration of a reptile.

B. The fangs and claws of a lion

3 0

2 years ago

Which traits would Aristotle have used to classify sharks? Choose more than one answer.

Oliga [24]

Answer:

The main trait that was different between sharks 14 and 9 was that shark 14 (Mobulidae) has a front with two points that look like horns, whereas shark 9 (Dasyatidae) has a front with no points that look like horns.

Explanation:

6 0

2 years ago

Which of the following claims about the TYR, TRP2, and TRP1 mammalian genes is most likely to be accurate?

Illusion [34]

The TYR, TRP2, and TRP1 genes are located next to each other on a single chromosome and are organized into an operon is most likely to be accurate.

The option a is correct.

Explanation:

The genes for the Tyrosinase, TRP2 and TRP1 are located on the same chromosome and are operons. These are operons because they are controlled by same transcription factors on mRNA.

Tyrosinase enzyme is important for the synthesis of melanin, eye pigments and hair colour. The synthesis of all these is completed in three distinct reactions catalysed by TRP1, TRP2 and Tyr genes. These work as operon and the protein product is almost 40% similar of the three genes.

The amount of melanin production depends on tyrosinase enzyme activity of all the three genes.

The genetic regulation is done by operons.

4 0

2 years ago

Alvin is studying a model of the chemical structure of a common nucleic acid. He observes that the nucleic acid consists of four

Leto [7]

<h2>A) option is correct </h2>

Explanation:

RNA is a linear polymer of ribonucleotides
Sugar in RNA is ribose instead of deoxyribose which is present in DNA
The four nitrogenous bases present in RNA are adenine, cytosine, guanine and uracil whereas that in DNA are adenine, cytosine, guanine and thymine
RNA molecules carry genetic information from DNA to proteins, cannot transmit from one generation to next generation as a genetic material
Due to steric hindrance by the 2'-OH group of ribose sugar, RNA unable to form double helix

7 0

2 years ago