Why is it better that the lungs are spongy rather than empty like a balloon?

How much energy will the cows get from the hay? 20% 50% 10% 100%

Which of the following is an example of an external stimuli? running away from a big predator getting a headache when you are sick feeling nervous before giving a speech plants producing seeds in pods

Vascular tissue is found in shoots, leaves, flowers, and a. mosses b. lichens c. roots d. liverworts

If i wanted to look at a onion cell what type of microscope would be best to use

All Living Things Are Composed Of One Or More ___. A. Adaptations B. Cells C. Germs D. Viruses

What is a scientific procedure followed to obtain results for analysis. This is also a means to test a hypothesis.

Determine the nature of the expression of the lacZYA genes, represented by L, and label each genotype as constitutive, inducible, or no transcription in the presence of lactose. Assume that all promoters are wild type.

Match the layers of the Earth to their proper composition. Match Term Definition Inner Core a. Solid Iron Asthenosphere b. Liquid iron Lithosphere c. Solid rock Outer Core d. Liquid rock

The descent into the thermocline is noted for which of the following? A) constant temperatures and increasing pressures B) decreasing temperatures C) increasing temperatures D) decreasing temperatures and decreasing pressures E) increasing

How are coal and oil similar?