1. Nutritional Relationships
Autotrophs
Heterotrophs
Saprophytes

2. Nutritional Relationships
Nutritional relationships involve the transfer of nutrients from one organism to another within the ecosystem.
Autotrophs are organisms that can use energy from the environment to synthesize their own food from inorganic compounds.
Most autotrophs are photosynthetic ,using energy from sunlight and carbon dioxide and water from the environment.

3. Autotrophs
Algae
Plants

4. Nutritional Relationships
Heterotrophs cannot synthesize their own food and must obtain nutrients from other organisms.
Depending on their source of food , heterotrophs are classified as herbivores , carnivores, omnivores and saprophytes.

5. Herbivores
Examples:

6. Carnivores
Examples:

7. Omnivores
Examples:

8. Nutritional Relationships

9. Saprophytes
Examples:
Fungi
Soil bacteria

10. Identify each organism
Identify each organism.Write the name inside thebox(autotrophs,heterotrophs)

11. Homework: Answer the following questions:
1.The organisms that carry out photosynthesis are the:
a.herbivores b.carnivores c.decomposers d.producers
2.Fly larvae consume the body of a dead rabbit. In this process ,they function as:
a.parasite b.saprophyte c.primary consumer
d.parasites
3.Which organisms are classified as herbivores?
a.algae,tadpole,raccoon b.worm,snake,bacteria
c.tadpole,worm,grasshopper c.grasshopper,bacteria,frog