Lesson 4.1 Flashcards
basic unit
Individual Species
group of species
Population
group of population
Community
community + environment
Ecosystem
group of ecosystem
Biomes
part of the earth wherein life is possible
Biosphere
Ecological Level of Organization
- Individual Species
- Population
- Community
- Ecosystem
- Biomes
- Biosphere
a community of organisms interacting with each other and with their environment.
ecosystem
ecosystem
Roy Clapham
fully defined ecosystem
Arthur Tansley
Living components
Biotic
Non-living components
Abiotic
TROPHIC LEVELS IN AN ECOSYSTEM
Producers
Consumers
Decomposers
produce food through photosynthesis
PRODUCERS
- Self-feeders
- Producers
- Manufactured their own food
Autotrophs
- Other-feeders
- Consumers
- Depend on other organisms for food
Heterotrophs
Carniivores, Herbivores, Omnivores and Scavengers
Consumers
eat dead plants and animals to reduce them into simple forms of matter
Decomposers
Types of Energy Transfer
- Food Chain
- Food Web
Simple pattern of food-energy transfer in an ecosystem
Food Chain
- Complex pattern of food-energy transfer in ecosystem
- Consists of more than one food chain
Food Web
__?__ cannot be created or destroyed, but it can be transferred or transformed from one form to another.
Energy
Ecological Relationships
- Mutualism or symbiosis
- Competition
- Predation
- Parasitism
- Commensalism
both are benefited
Mutualism or symbiosis