A meteroite is a meteor that struck earth
a meteorode is a small rock in space that could eventually turn into a meteor
asteroids are a cluster of meteors
comets are icy meteors, seeing that the oort cloud is mostly ice i would say that the answer is comets.
Answer:
The respiration in amoeba occurs by simple diffusion, the oxygen gas dissolved in water or surrounding environment is diffused into the cell through the cell membrane. This oxygen is used for respiratory metabolic purposes. Carbon dioxide gas produced gets removed by simple diffusion into the surrounding environment.
Answer:
B because when it hits its carry capacity its survival of the fittest to live
Explanation:
The answers are: C D E. Cells are semi-permeable which means it chooses what nutrients and h2o to enter and excretes cell waste into the bloodstream.
Answer:
Simple Diffusion across the Cell (Plasma) Membrane. The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.
Explanation: