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vivado [14]
4 years ago
9

Which of the following is an example of a cultural control of pests? using natural pest predators using pest hormones using synt

hetic pesticides keeping homes clean
Biology
2 answers:
salantis [7]4 years ago
8 0
The answer is number 4 keeping homes clean.
Maslowich4 years ago
3 0

Keeping homes clean is an example of a cultural control of pests.

Cultural control of pest is the method used to control pest (such as weeds, insects, diseases) populations. Cultural control relies on long term planning and it is preventive rather than curative. It is done by modifying the environment or by carrying out preventive practices such as keeping homes clean, pulling of weeds with all its roots using hands and using plants that are resistant to pests.

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Which region of your brainstem plays a role in arousing you to a state of alertness when, for example, you accidentally stumble
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Probably A.

Explanation:

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What is the small molecule ?
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3 years ago
Consider a locus with two alleles - A and a. These alleles are codominant, meaning that the fitness of the heterozygote is halfw
bearhunter [10]

Answer:

Question 1.

The mean relative fitness is 0.85

Question 2.

The expected allele frequency change of A, p = 0.63: AA, p2 =0.63 x 0.63 = 0.39.

Explanation:

Mean relative fitness is given as

p2W(AA) + 2pqW(Aa) + q2W(aa).

Where W(AA)= 1.00, W(Aa) = 0.80, W(aa) = 0.60

Firstly, find p2, 2pq, q2 which are the frequencies of AA, Aa and aa respectively.

AA= 500,Aa=250 ,aa=250. Total is 1000

Frequency of A, p=

250/2)+500= 625.

625/1000= 0.625.

Therefore A, p is 0.625

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For q, since p+q =1

q= 1 - 0.625 = 0.375

q2= 0.375x0.375=0.14.

2pq= 2x0.625x0.375= 0.47.

Mean relative fitness is

p2W(AA) + 2pqW(Aa) + q2W(aa).

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Question 2.

From Hardy-Weinberg equilibrium

F = p2 + 2pq + q2.

Frequency of A, p= 0.625 and AA, p2 is 0.625 x 0. 0625= 0.39.

3 0
3 years ago
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