Answer:
Diffusion is the net movement of a substance (liquid or gas) from an area of higher concentration to one of lower concentration, During active transport, substances move against the concentration gradient, from an area of low concentration to an area of high concentration. This process is “active” because it requires the use of energy (usually in the form of ATP).
Explanation:
Fossils give evidence upon organisms the past are not the same as those found and demonstrate a progression of evolution.
Answer:
Hello!!! Princess Sakura here ^^
Explanation:
The sun, earth, and moon are held together by gravity, and they interact in lots of ways. The moon orbits the earth because of the pull of the earth. The tides are another interaction in the sun, earth, and the moon system. The tides happen because the moon and sun pull on the oceans, causing them to rise and fall each day.
Answer:
flagella
Explanation:
Some bacteria have tail-like structures called flagella
