<span>Enzymes are biological molecules that speed up the rate of almost all the chemical reactions that happen within cells. They are very important and serve important functions to the body like helping with digestion and metabolism.</span>
Answer:
Explanation:
Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements.
Protista
A protist is any eukaryotic organism that is not an animal, plant or fungus. The protists do not form a natural group, since they sometimes exclude certain eukaryotes; but, like algae or invertebrates, they are often grouped together for convenience.
Interactions may be commensalism, mutualism, or parasitism.
Answer:Several theories have been proposed for the formation of desert pavements. A common theory suggests they form through the gradual removal of sand, dust and other fine-grained material by the wind and intermittent rain, leaving the larger fragments behind.
Explanation: scientists have had sever theories as stated in my answer above