Review the key concepts, formulae, and examples before starting your quiz.
🔑Concepts
Animals are consumers, meaning they cannot make their own food and must eat plants or other animals to survive.
Food provides energy for life processes, such as movement, and materials for growth and repair.
Herbivores are animals that eat only plants, such as cows and rabbits.
Carnivores are animals that eat only meat/other animals, such as lions and sharks.
Omnivores are animals that eat both plants and meat, such as humans and bears.
A balanced diet consists of the correct proportions of Nutrients, including Carbohydrates, Proteins, Fats, Vitamins, Minerals, Fibre, and .
Carbohydrates provide immediate energy, while Proteins are used for growth and repairing body tissues.
Fats are used as an energy store and for insulation to keep the body warm.
📐Formulae
💡Examples
Problem 1:
A giraffe spends most of its day eating leaves from acacia trees. Classify its diet type.
Solution:
Herbivore
Explanation:
Because the giraffe consumes only plant matter (leaves), it is classified as a herbivore.
Problem 2:
Which nutrient would a Grade 3 athlete need most for building strong muscles?
Solution:
Protein
Explanation:
Proteins are the essential nutrients required for the growth () and repair of muscle tissues.
Problem 3:
Why is considered an essential part of an animal's diet?
Solution:
Hydration and transport.
Explanation:
Water () is necessary to dissolve nutrients and transport them around the body, as well as to keep the body cool.