Which class of vertebrates is considered to be the first to develop lungs, allowing them to become terrestrial organisms?

A) Reptilia

B) Aves

C) Mammalia

D) Amphibia

Amir lives in an area that is likely to have wildfires. Which step should he take to reduce his risk of home damage in a wildfire? A. take the muck off his property B. soak the outside of his house with water C. keep his roof and gutters clean D.

What type of weathering affects the Earths surface the most

What muscle do people usually flex to show off their strength?

Why is there a gap or synapse between the nerve endings why can't itbe joined to the other nerve?

Ricky notices a similarity between a fried egg and the diagram of a cell. Which cell organelles is Ricky likely to associate with the parts of the egg?

Was the cutlass a pony car or muscle car

What type of selection favors the average individuals in a population

Which of the following ideal criteria for elimination of a disease is addressed by the following statement: Hepatitis B may establish a chronic infection that can lead to transmission of the disease even in the absence of symptoms? A.

3. Which of the following direct quotations is punctuated properly? A. "Way to go, Sean," the coach shouted. "That was a great run"! B. "Way to go, Sean", the coach shouted. "That was a great run!" C. "Way to go, Sean," the coach shouted.

During Evolution, a process of change over time, do individuals or populations evolve?