hell 11 Flashcards

1
Q

a mammal

A

any animal that can produce milk and has fur/hair/give birth DONT LAY EGGS

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2
Q

total # of bat species

A

1,000🫢

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3
Q

2 suborders of bats

A

1 (megachiroptera) big winged/eat fruit

2 (microchiroptera) small winged/use echolocation

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4
Q

musical instrument that produces a “pure tone”

A

tuning fork/violin

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5
Q

highest frequency that humans can hear

A

20,000 hz

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6
Q

how do bats find the distance from an object?

A

-use sonar system, emit a special sound and they see how long it takes for the sound to bounce back to them

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7
Q

how can bats determine the size of an object?

A

-bats woud look at the size of the echo when it reached the object, big echo=big object, small echo=small object

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8
Q

doppler effect

A

a problem/chance for bats to find prey (shows change in frequency + wavelength produced by a moving source)

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9
Q

total # of vampire bat species

A

3, found in south/central america and eat cattle, take 1/2 an ounce of blood at each time

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10
Q

how is the altrusitic behavior of bats similar to humans?

A

-bats and humans can help each other/same species, “I help you, you help me”
-give food to a hungry bat/human

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11
Q

reciprocity

A

practice of exchanging things for mutual benefits

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