Ch 41

Question 1

Nutrition

Answer 1

The process by which food is taken in, taken apart, and taken up

Question 2

Herbivores

Answer 2

Eat mainly plants and algae

Question 3

Carnivores

Answer 3

Eat other animals

Question 4

Omnivores

Answer 4

Regularly consume animals as well as plants or algae

Question 5

When normal food is scarce most animals are

Answer 5

opportunistic feeders

Question 6

An animal’s diet must supply

Answer 6

chemical energy, organic molecules, and essential nutrients

Question 7

Chemical energy is converted into

Answer 7

ATP to power cellular processes

Question 8

Essential nutrients are

Answer 8

required by cells and must be obtained from dietary sources

Question 9

4 classes of essential nutrients

Answer 9

1. Essential amino acids
2. Essential fatty acids
3. Vitamins
4. Minerals

Question 10

Animals require

Answer 10

20 amino acids and can synthesize half from molecules in their diet

Question 11

Essential amino acids must be obtained from

Answer 11

food in preassembled form

Question 12

Most plant proteins are incomplete in

Answer 12

amino acid composition

Question 13

Animals can synthesize most of

Answer 13

the fatty acids they need

Question 14

Essential fatty acids must be obtained from

Answer 14

the diet and include unsaturated fatty acids

Question 15

Vitamins

Answer 15

Organic molecules required in the diet in small amounts

Question 16

13 vitamins are essential for

Answer 16

humans

Question 17

Vitamins are grouped into 2 categories

Answer 17

fat-soluble and water-soluble