Which example illustrates darwin's main contribution to the theory of evolution? a. an agricultural pest has been exposed to a pesticide that wipes out the entire species. b. in a laboratory, a scientist chooses the most intelligent mice and breeds them to advance the species. c. when exposed to antibiotics, most bacteria in a population die but some survive and live to reproduce. d. in the african savannah, a scientist observes that a wildebeest calf has inherited its coat pattern from its father.

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

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.

The rapid decomposition of organic matter produces evidence which supports: the slow accumulation of coal deposits long ages of the earth rapid burial of vast amounts of vegetation biblical account of noah's flood