Social Studies, 10.04.2021 23:10 warnene17
Image 1. A Duterty's wings lifted during off. As the wings snap together in a wing clap, they will propel the butterfly forward. Photo
Stephen Dalton Science Source Photo: Stephen Dalton Science Source
Butterflies flutter when they fly. This is thanks to their large wings. This fluttery flight helps them
get away quickly from predators. Now scientists at Lund University in Sweden know how they do
it.
They clap their wings above them when they take off. This creates jet propulsion. This is the act of
pushing an object in one direction by ejecting a liquid or gas, such as air, in the opposite
direction. Aircraft like planes use jet propulsion to get off the ground. And now, scientists know
that butterflies use this method, too. In January 2021, scientists published their findings.
Studying Butterflies
Christoffer Johansson and Per Henningsson led the new study. They are evolutionary ecologists.
They study how flight has developed in animals.
Answers: 1
Social Studies, 22.06.2019 14:30
What will most likely happen if tony continues to make late payments? check all that apply. the bank might take his car.the bank will charge late fees.his credit history might be damaged.he might be charged a down payment.he might have to add an asset to the loan.
Answers: 1
Social Studies, 22.06.2019 14:40
Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?
Answers: 2
Image 1. A Duterty's wings lifted during off. As the wings snap together in a wing clap, they will p...
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