1. Date Session # Activity Page #
5/1-2 5
Ecosystem roles notes 11
Ecosystem Relationships notes 12
Ecology Graphs 13
Relationship Stories 14
Kruger 15
Homework:
EOG Review Unit 2, ?’s 6-10
Complete relationships worksheet & Ecology Graphs
Upcoming Assessments: Food & Biotech Test
Ocean Ecosystem & Processes Quiz
Ecology Test
Energy Resources
Other Formal Grades: EOG Packet, Notebook Check

2. 8.L.3 Understand how organisms interact with and respond to the biotic and abiotic components of their environment
8.L.3.1 Explain how factors such as food, water, shelter, and space affect populations in an ecosystem.
8.L.3.3 Summarize the relationships between producers, consumers and decomposers including the positive and negative consequences of such interactions including
Coexistence and cooperation
Competition (predator/prey)
Parasitism
Mutualism
8.E.1.Understand the hydrosphere and the impact of humans on local systems and the
effects of the hydrosphere on humans.
8.E.1.2 Summarize evidence that earth’s oceans are a reservoir of nutrients, minerals,
dissolved gases and life forms:
Estuaries
Marine ecosystems
Upwelling
Behavior of gases in the marine environment
Deep ocean technology and understandings gained.

3. Heterotroph Family…….the Vores!
Ecosystem Roles
Producer
Consumer
Decomposer
Make their own food
Consumes other organisms for food
Break down dead organisms
Autotrophs
Heterotroph
Plants, some algae
Bears, Lions, Insects
Bacteria, fungi
Heterotroph Family…….the Vores!
Herbivore
Eats plants
Carnivore
Eats animals (meat)
Omnivore
Eats plants and animals
Detritivore
Eats dead organisms

19. Major relationships in ecosystems
Predation
Competition
Cooperation
Symbiosis
When one species
uses another for food
Predator eats prey
Helps maintain healthy
prey population
Example:
Example

26. Major relationships in ecosystems
Predation
Competition
Cooperation
Symbiosis
When one species
uses another for food
Predator eats prey
Helps maintain healthy
prey population
The struggle between individuals or different populations for a limited resource
Compete for:
Food
Shelter
Mates
Example:
Example

36. Major relationships in ecosystems
Predation
Competition
Cooperation
Symbiosis
When one species
uses another for food
Predator eats prey
Helps maintain healthy
prey population
The struggle between individuals or different populations for a limited resource
Compete for:
Food
Shelter
Mates
An interaction in which organisms work in a way that benefits them all.
Example:
Example

37. Cooperation

38. Cooperation is an interaction in which organisms work in a way that benefits them all.

41. Major relationships in ecosystems
Predation
Competition
Cooperation
Symbiosis
When one species
uses another for food
Predator eats prey
Helps maintain healthy
prey population
The struggle between individuals or different populations for a limited resource
Compete for:
Food
Shelter
Mates
An interaction in which organisms work in a way that benefits them all.
A relationship between individuals of two DIFFERENT species that live together in a close relationship.
Mutualism + +
Parasitism
Example:
Example

52. Battle at Kruger https://www. youtube. com/watch
Battle at Kruger Watch the video & answer the questions