16.2 Teacher Notes

1. 16.2 Teacher Notes Living Things Need Energy

2. 16.2 NotesLiving Things Need Energy • 3 types of consumers: • herbivore – a consumer that eats only plants (koala) • carnivore – a consumer that eats only animals (lion) • omnivore – a consumer that eats both plants and animals (humans/bears)

3. 16.2 NotesLiving Things Need Energy • A food chain includes: • producer – plants that use energy in sunlight to make food (plant) • consumer – animals that eat plants and/or other animals (animal) • scavenger – animals that eat the dead body of another animal (vulture, hyena, fox) • decomposer – an organism that gets energy from the remains of an animal and absorbs the nutrients (bacteria, fungi)

4. 16.2 NotesLiving Things Need Energy • primary consumer – first consumer to eat the energy from the plant (cow) • cow eats grass • herbivore • secondary consumer – second consumer to eat the energy (lion) • lion eats the cow • carnivore • tertiary consumer – third consumer to eat the energy • vulture eats what’s left of the cow • scavenger

5. 16.2 NotesLiving Things Need Energy • food chain – a chain of energy in food molecules that flows from one organism to the next • food web – many food chains connected that makes energy flow from one organism to the next • energy pyramid – a diagram that shows the loss of energy at each higher level

6. 16.2 NotesLiving Things Need Energy • habitat – an environment where an organism lives • niche – an organisms way of life in its habitat

7. Questions • How do animals get energy? • Eating (consuming food) • Pandas and koalas eat plants. What do pandas and koalas have in common? (vocab word) • They are both herbivores

8. Questions • What are the 4 abiotic factors in an environment? • Water, soil, light, temperature • If the amount of producers went down, what would happen to the amount of carnivores? • Go down also