The gas most required for animal life to survive on Earth is

nitrogen

carbon dioxide

oxygen

water vapor

Are you (an animal) more closely related to the mold in your shower (a fungus) or the oak tree outside your window (a plant) ?

What are some causes of order cycle variability? what are the consequences of order cycle variability?

Filtration is a non-selective, passive process in which water solutes are forced through a membrane by hydrostatic pressure. The following property limits movement of some solute. size of membrane pores (T/F)

In the context of the cerebral hemispheres, a split brain occurs due to:

Which example is a long-term environmental change? La Niña El Niño climate change small asteroid impact

If the human population continues to grow, what is a likely effect on land use? A. More land will be used for forests. B. More land will be used for grasslands. C. More land will be used for wetlands. D. More land will be used for agriculture.

What gives each amino acid its unique properties? its side group, its amino group, its carboxyl group, it sequence

In Mendel's experiment with round - and wrinkled-seed plants, the F1 plants, which produced only round seeds, were grown up andmatured and were allowed to self-fertilize. What was the ratio of round to wrinkled seeds in the F2 generation?

What are idea models designed to do? What is one drawback of using idea models?

Which scientific tool would be most useful for collecting organisms that live in a stream