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otez555 [7]
3 years ago
7

4. Why are rattlesnakes necessary to the balance of life in a forest?

Biology
1 answer:
tekilochka [14]3 years ago
5 0
They eat rodents and are eaten by owls and hawks

They are important because without them, the rodent population could become too numerous. Rodents like to chew on tree roots and other plants for nutrients, but this kills the plant. Too many rodents can cause a mass imbalance leading to the death of hundreds of other animals
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An island nature preserve brings in 72 NA warblers and 252 SA warblers. Out of the 72 NA birds, 55 have long plumage. Out of the
nalin [4]

401 of these offspring are expected to have long plumage.

To calculate the number of these offspring that are expected to have long plumage the following cross multiplication calculation must be performed:

  • Total birds = 72 + 252 = 324
  • Long plumage birds = 55 + 75 = 130  
  • 324 = 130
  • 1000 = X
  • 1000 x 130/324 = X
  • 130000/324 = X
  • 401.23 = X

Therefore, 401 of these offspring are expected to have long plumage.

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3 0
2 years ago
Most of the ocean floor is a type of rock called basalt. At the edge of continents, this basalt erodes and becomes small particl
garri49 [273]

Answer: D. Sedimentary

Explanation:

Sedimentary rocks are formed overtime are different particles of sand, shells, pebbles and other fragments of materials form layers and harden into rock.

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2 years ago
Medicare beneficiaries who are near death are the primary cause of large medicare payments.
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It is not true that Medicare beneficiaries who are near death are primary cause of large Medicare Payments. Medicare is the federal government program that provides health care coverage. This program is in part funded by Social Security and Medicare taxes you pay on your income, in part funded through premiums that people with Medicare pay, and in part funded through the federal budget.
6 0
3 years ago
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BRAINLIEST!!!!!! PLEASE HELP ASAP!!! 8 POINTS!!!! PLEASE HELP!!!!​
alexandr1967 [171]

<u><em>7.</em></u>

Acomodation is the process in which the lens adapt to the distance of the object you look at.

During acomodation  The lens changes shape and during the pupil reflex the pupils changes size so the answer is <u><em>C</em></u>

<u><em>8.</em></u>

The cerebelum is not attached to the spinal cord, but to the brainstem through cerebellar peduncles

medulla oblongata is part of the brainstem and it is attached to the spinal cord so the answer is <u><em>B</em></u>

<u><em>9.</em></u>

Insulin is a hypoglicemiant hormone that stimulates glycogenesis which is the synthesis of glycogen from glucose, hence the answer is <u><em>C</em></u>

<u><em>10.</em></u>

You get a fight or flight response which is mediated by adrenaline.<u><em> B</em></u>

<u><em>11.</em></u>

Adrenaline increases sweat production and decreases digestive activity so the answer is <u><em>A.</em></u>

3 0
3 years ago
Can someone please help me with this question
Gennadij [26K]

Answer:

C

Explanation:

8 0
3 years ago
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