Question 3

what major explanation did charles darwin provide?

he explained how dna is passed on but did not have evidence of it occurring.

he was the first to provide an explanation of evolution supported by evidence.

the idea of speciation was first proposed by him.

he explained how turtles adapted to their environment.

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.

Me the formula cacl2 represents the compound

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.