Answer:
The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves.
Explanation:
Endocrine glands are responsible for Regulating body activities.
Paramecium have cilia, volvox have flagella
paramecium are individual single-celled organisms, volvox live in spherical colonies with many other cells forming a sphere
paramecium feed off smaller protoctists and bacteria, volvox produce their own food because they have chlorophyll
Ionizing radiation, for example X-rays, gamma rays and alpha particles
Answer:
D
Explanation:
When the student walks through the forest they shouldn't be eating random pants