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Fed [463]
3 years ago
10

True or False: Vampire bats exist. True False

Biology
2 answers:
maksim [4K]3 years ago
5 0

True vampire bats do exsit  

castortr0y [4]3 years ago
4 0
True, they are just the types of bats that feed on blood and usualy live in caves or a dark place in the morning.to feed on blood, they usually target sleeping animals, because it is safer for them to survive
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3.
AveGali [126]

Answer:

a. Approximately 1,003 weasels, 3,345 mice and 16,729 wheat plants per one hawk are in the ecosystem

Explanation:

The percentage of the weasel population eaten by a hawk = 30%

The percentage of the mouse population eaten by a weasel = 30%

The percentage of the wheat plants population eaten by a mice = 20%

a. One hawk needs 330 kJ of energy per day, which gives 330 kJ × 365 = 120,450 kJ per year

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0.3 × x = 120,450 kJ/year/(400 kJ) = 301.125

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The number of weasels required to support one hawk per year ≈ 1,003 weasels

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ii) The number of mice needed, y = x/0.3 = 1,003.75/0.3 = 3,345.8\overline 3

The total mice, y ≈ 3,345 mice

iii) The number of wheat flower needed, z = y/0.2

∴ The number of wheat flower needed, z = 3,345.8\overline 3/0.2 ≈ 16,729.1\overline 6

The total wheat plants ≈ 16,729.

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Why are sedimentary rocks the only ones to show fossils please help me!!!!!!!!!!!!!!
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