You are a running in a race. What is one feedback mechanism that happens as you increase exercise and muscle activity?

A) leg cramps

B) longer steps

C) increased heart rate

D) decrease in body temperature

The shellthe shell the footthe foot the mantlethe mantle the visceral massthe visceral mass gillsgills the radulathe radula the open circulatory systemthe open circulatory system a) true b) false

In an experiment, Marlene removes the six anthers from the flower. What best describes the ability of the altered flower to form seeds?

Climate is different from weather

What is the recommended method for disposing of the insect that causes lyme disease?

Which atom is found in all organic substances but rarely in inorganic substances?

What is the energy of a photon first used to do in photosynthesis?

Select the correct statement regarding chemical synapses. A) Cells with gap junctions use chemical synapses. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled.

How can speciation of plants benefit humans

Is cellulose a fat, carbohydrate or protien

I mineral must be formed by a manufactured process to be considered a mineral. T or F