How do environmental issues drive or influence evolution?

Is evolution by natural selection a uni-directional process or is it more like pendulum?

How does predation impact evolution?

Is natural selection always ‘natural’? Can human choice impact evolution as well?

Models are non-visual ways of coummincating how someone thinks about something in the natural world

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

How does friction with the atmosphere affect the speed of an artificial satellite