Lesson 1 - Basic Terms

Question 1

Autotroph

Answer 1

Something that feeds on its own. For example, plants, and some self-feeding bacteria

Question 2

Heterotroph

Answer 2

Something that feeds on other things

Question 3

Herbivore

Answer 3

Eats ONLY plants

Question 4

Carnivore

Answer 4

Eats ONLY meats

Question 5

Omnivore

Answer 5

Eats both plants and meats

Question 6

Nutrients

Answer 6

These are food components utilized by the body. There are six major classes of nutrients. They are carbohydrates, proteins, lipids, vitamins, minerals, and water.

Question 7

Physical Digestion

Answer 7

This is process where food breaks down into smaller pieces without the use of chemical process. For example, when you chew a piece of cheese in your mouth. This is a process of physical digestion.

Question 8

Chemical Digestion

Answer 8

This the process where the food makes its way down to the stomach and gets digested even further by chemical process. For instance, by digestive enzymes and by absorption. These are all chemical reactions taking place and helps digest the food.

Question 9

Minerals

Answer 9

These help with cellular processes. For example, some minerals include zinc, calcium (occurs in the bones and muscles), and potassium (occurs in the nerves)

Question 10

Water

Answer 10

Blood pressure and transport. This molecule is a solvent, and its a medium for chemical reactions.

Question 11

Vitamins

Answer 11

They help with chemical reactions. For example, some vitamins include vitamin A, B, D, E.

Question 12

Enzymes

Answer 12

These are chemical processes which accelerate chemical reactions in the stomach when food is being digested.