What happens to the concentration of hydrogen ions in a solution as you move from 7 down the pH scale toward 0?

What term defines the movement of materials along a concentration gradient through protein channels?

Yes that was correct.

Which best describes primary succession?

What is the struggle in a community for the same resources called?

Which of the reproductive isolating mechanisms given below is postzygotic? A (Hybrids form but are sterile. B (The mating season is different. C (Flowers are pollinated by different insects.

Which shape of fiber is wool? flat tube oval 3-lobed tranigular I picked flat tube, am I right?

What is the difference between saturated and unsaturated?

How does blood return from the cardiac tissues to the right atrium

Do humans have DNA or RNA in the nucleus of your cells?

What are three common adaptations in the deep pelagic realm?