hell 11 Flashcards
a mammal
any animal that can produce milk and has fur/hair/give birth DONT LAY EGGS
total # of bat species
1,000🫢
2 suborders of bats
1 (megachiroptera) big winged/eat fruit
2 (microchiroptera) small winged/use echolocation
musical instrument that produces a “pure tone”
tuning fork/violin
highest frequency that humans can hear
20,000 hz
how do bats find the distance from an object?
-use sonar system, emit a special sound and they see how long it takes for the sound to bounce back to them
how can bats determine the size of an object?
-bats woud look at the size of the echo when it reached the object, big echo=big object, small echo=small object
doppler effect
a problem/chance for bats to find prey (shows change in frequency + wavelength produced by a moving source)
total # of vampire bat species
3, found in south/central america and eat cattle, take 1/2 an ounce of blood at each time
how is the altrusitic behavior of bats similar to humans?
-bats and humans can help each other/same species, “I help you, you help me”
-give food to a hungry bat/human
reciprocity
practice of exchanging things for mutual benefits