which idea originated with charles darwin?
a.
traits acquired during a lifetime are passed to offspring.
b.
species evolve by natural selection.
c.
living organisms have not changed since they were created.
d.
organisms have undergone changes during earth’s history.

Which sentence best expresses the differing opinions of these two book reviews?

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

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.