B) the amount of available resources
<span>When there is the presence of gills it will be easy to determine if the animal is aquatic or mollusk.
Aquatic means related to water. While Mollusca is termed as the large phylum of invertebrate animals whose members are called mollusks. Most of the mollusks live in water.
The most numerous mollusks are mantle which is important for cavity and is used for excretion and breathing, the presence of radula and their structure of the nervous system.</span>
Answer:
Carbohydrates are molecules composed of carbon, hydrogen, and oxygen, and they include sugars and starches. Carbohydrates can be broken down to provide a source of usable chemical energy for cells.
Explanation:
Well a very simplified answer would be that when the cells are going through mitosis but something goes wrong when a damaged cell should be killed, and when that cell gets through, it starts to divide and splits into more damaged cells which split rapidly which is a sign of cancerous cells and those cells make tumors.
