How do animals get the carbon atoms to form the CO2 molecules that they exhale?

A: from oxygen they take in

B: from glucose they eat

C: from carbon dioxide they inhale

Which structure is found in all eukaryotic cells? A: large central vacuole B: flagella C:Golgi apparatus D: cilia

Is a cells main function is to produce proteins to be excreted, such as on the pancreas, which organelles would you expect to be larger or more prevalent? Why?

imagine that a lot of fertilizer was spilled on the ground near a pond. What kind of scientist would study the effects of the fertilizer on animals living in the pond? What kind of scientist would study how the soil near the pond was affected?

The speed of light in a vacuum is approximately 299,500,000 meters per second. In scientific notation, we can write this number as a * 10b where a = and b =.

What is responsible for production of oxygen by elodea

What causes the cell membrane to expand and burst

What is study of plants called?

Which process is most responsible for the increase in early Earth's atmospheric oxygen levels?

Which organ systems are attacked by smallpox

Why do different musical instruments have different sound qualities?