Explain how the use of a chemical designed to kill grasshoppers could reduce the population of peregrine falcons.

1 answer:

6 0

Peregrine falcons have a wide diet, including many types of smaller birds. These birds eat bugs like grasshoppers. So, if the grasshopper population decreases, then the birds who are a food source to peregrine falcons will also have a lower population. This means that there is a lesser amount of food for the peregrine falcons to eat, so their population will decrease as well.

Good luck with your problems!

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Explain 3 main steps in the process of DNA replication

podryga [215]

Didn't mean to post this. sorry!

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If someone with auburn hair has children with someone with red hair (but whose mother had black hair ) what are the genotype and

tensa zangetsu [6.8K]

The phenotype is - 75 % red and 25 %brown.

The genotype is hRhR - 25%

hBkhR - 50%

hBrhBk - 25%.

<h3><u>Explanation:</u></h3>

The cross given here is a simple dominant - recessive relationship between the three types of alleles of hair colour. The genes of this characteristics are present in autosomes, so will be segregated equally among all the sexes of the offsprings.

Now the genotype of auburn and red with black mother is given. So during gametogenesis, the gametes from the parents will be

Father - hBr and hR

Mother - hBk and hR

So, the probable combinations are hBrhBk, hBrhR and hBkhR.

The frequency of the combinations are 25%, 25% and 50% respectively.

The phenotypic ratio will be red : brown as 3:1.

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3 years ago

What is the function of the Golgi apparatus? It modifies and stores proteins received from the endoplasmic reticulum. It gives t

tatyana61 [14]

The answer is A.
It modifies and stores proteins received from the endoplasmic reticulum.
Hope that helped! :)

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3 years ago

Read 2 more answers

Label the diagram using these choices: Nucleotide, Deoxyribose, Phosphate group, nitrogen base, Hydrogen bonds, base pair.

V125BC [204]

X, right trigger, left trigger, left bumper, left, left, Y

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The function of chordae tendineae is:

Free_Kalibri [48]

Answer:

The correct answer will be option-E.

Explanation:

Chordae tendinae are the string-like structure in the heart which is composed of dense regular connective tissue called collagen and elastin proteins. They arise from the papillary muscles of the heart and branches out in the ventricle portion of the heart.

These play an important role in the closure of the AV valves to prevent the backward flow of the blood to the atria during ventricular contraction by holding cusps of the valve into the dome-shaped structure.

Thus, option-E is the correct answer.

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3 years ago