What percentage of the Earth's oxygen are phytoplankton responsible for producing?

How to convert metric measurements

Which row in the chat below best describes decomposers?1) autotrophic nutrients2) heterotrophic nutrients3) autotrophic energy 4) heterotrophic energy

What is the function of folds and villi?

The energy input into an ecosystem can come from a. sunlight b. chemical compounds C. soil d. A and B

Which of these would be caused by a chemical change? A) The formation of lava. B) Sedimantary rock layering over time. Eliminate C) Metamorphic rock forming from igneous. D) Metamorphic rock eroding to form sedimentary rock.

Changes in genes within a kind do not form a different kind. true or false

This is the energy that comes to Earth from the sun.

If we increase our food intake, we generally gain weight. nutrition scientists can calculate the amount of weight gain that would be associated with a given increase in calories.

Who's more likely to survive a bullet wound; a body builder or an obese person?

What is the one characteristic shared by aerobic cellular respiration, lactic acid fermentation, and alcoholic fermentation?