Biological pest control involves _______.

Answers

Answer 1

Answer: Biological pest control is a bio effector-method of controlling pests. This controlling method involves the use of naturally occurring diseases, infectious organisms, parasites, and predators that will be helpful to control pests.

Answer 2

Answer:

Answer:

Biological control of pest involves the use of biologocal mechanisms to eliminate pests.

The term biological control refers, on the one hand, to the natural phenomenon that consists in the regulation of the number of plants and animals by means of natural enemies (parasites, predators and pathogens), on the other hand, to applied pest control, a technique that includes the manipulation of these natural agents by man to reduce losses in agriculture, afforestation or commercial products.

Biological control is based on the freedom of natural enemies in order to control the organisms that cause damage to the pests. It seeks to reduce the population of the pest to levels that do not cause economic damage and that guarantees the survival of the controlling agent.

Biological control is also a pest control method: Which consists in the use of living organisms in order to control problem populations. It implies a deep knowledge of the problem adversity in order to identify it correctly to be able to know which organism to use for its control, since one of the characteristics of this management is it high specificity.

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Which of the following statements about forestry education is true?

Answers

These are the options.
a.All educational facilities cover forestry to the same depth.b.Individuals can pursue doctorates in forestry in any state.c.Program focus will remain the same from state to state.d.Some states have greater access to forestry programs than others.
I think the answer is D.

I think you forgot to give the options along with this question. I have researched with the question and have found the options as well. Hope it helps you in your study. Among the choices that i have come up with, the option that says that temperate deciduous forests are less open than tropical rain forests.

An entrepreneur estimates his total profit (total revenue minus total cost) for his proposed company as p(x) = x3 − 4x2 + 5x − 20, where p is in hundreds of dollars and x is number of years the company has been in business. Identify the year (x) the entrepreneur will break even.A. year 1
B. year 2
C. year 3
D. year 4

Answers

break even means that the total income is equal to the total cost.

Therefore, we can equal the total gain to zero.

We have then:

$p (x) = x ^ 3 - 4x^2 + 5x - 20$

Equaling zero we have:

$x ^ 3 - 4x^2 + 5x - 20 = 0$

Rewriting the polynomial we have:

$(x-4) (x ^ 2 + 5) = 0$

We observe that the polynomial only has a real solution.

Therefore we have:

$x-4 = 0x = 4$

Answer:

the year (x) the entrepreneur will break even is:

D. year 4

The number of year (x) that it would take for this entrepreneur to break even is equal to: D. year 4.

How to calculate the year (x) this entrepreneur will break even?

In Economics, breaking even implies that the total revenue of an entrepreneur would be equal to the total cost. Thus, we would equate the total profit to zero as follows:

P(x) = x³ - 4x² + 5x - 20

Equating to zero, we have:

x³ - 4x² + 5x - 20 = 0

Simplifying the polynomial, we have:

(x - 4)(x² + 5) = 0

Note: The polynomial above only has a real solution.

x - 4 = 0

x = 4 years.

Read more on break-even analysis here: brainly.com/question/20973795

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Which is the functional unit of the kidney where blood is filtered, water and other dissolved substances are reabsorbed, and waste is sent out to be excreted?

Answers

The correct answer to this question would be the nephron. The nephron is the functional unit of the kidney. It is where the blood, water, wastes that are in the form of fluid, and other dissolved substance (small enough to pass through the kidney) is sent out and to be excreted.

D. Nephron

Hope it helps :)

How many times larger is the number of hydrogen atoms than oxygen atoms in a molecule of glucose ?

Answers

Well the symbol for water is H2O so there are 2 hydrogen for every 1 Oxygen,which means there will be two times the amount of hydrogen atoms than oxygen.

Final answer:

In a glucose molecule, the number of hydrogen atoms is two times greater than the number of oxygen atoms.

Explanation:

The molecular formula for glucose is C6H12O6, which means that one molecule of glucose contains 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms. So, if we compare the number of hydrogen atoms to the number of oxygen atoms in a glucose molecule, we see that there are 12/6 = 2 times more hydrogen atoms than oxygen atoms. This effectively answers the question: how many times larger is the number of hydrogen atoms than oxygen atoms in a molecule of glucose.

Learn more about Glucose Molecule here:

brainly.com/question/2396657

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A retrovirus is?a. is a primitive virus.
b. has a genome made of RNA.
c. has the simplest of all protein coats.
d. was discovered before any other virus.

How is the virus reproduced during the lysogenic cycle?
a. through reproduction of the host cell
b. by using viral enzymes to reproduce viral DNA
c. by using the cell's enzymes to reproduce viral DNA
d. by breaking the cell open and releasing new viruses

Answers

Ans. (b). has a genome made of RNA.

Retroviruses are viruses with RNA molecules as their genome. They insert a copy of their RNA genome into the host cell DNA and change the cell genome. These viruses are generally known as single-stranded positive-sense (+ strand) RNA viruses.

Examples: Human immunodeficiency virus and hepatitis B virus.

Thus, the correct answer is option (b).

Ans. (a). through reproduction of the host cell.

Lysogenic life cycle is a virus reproductive cycle that involves integration of viral nucleic acid into host's genome or formation of a replicon in host's cytoplasm.

The host cells (bacterial cells) remain alive and reproduce normally, so thus, viruses reproduce through the reproduction of host (bacterial cells).

Thus, the correct answer is option (a).

A retrovirus virus has a genome made of RNA. A virus during the lysogenic cyle is the reproduction through the host cell.

Compare Niger’s and Italy’s net migration rates on the chart above. What do these figures mean for the two countries?

Answers

I don't know your chart, but I can provide some data:

Niger's migration rate is -0.5/1000 people: this migration rate is negative, which means that more people leave Niger than enter it.

Italy's migration rate is 4.2/1000 people: this means that more people enter Italy and settle there than leave it.

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