Interactions
in the
Environment
Human Impact
of Ecosystems
Using pesticides on crops
Land conversion
Taking away native species
Introducing invasive species
Logging
Clear-Cutting
Pollution
Poaching
Overfishing
Sustainability
Biodiversity
a healthy ecosystem has many different species of plants and animals
the variety of life in an ecosystem
avoiding the depletion of natural resources
Relationships
Living Things
Decomposer
a living thing that breaks down chemicals from producers and consumers
Consumer
a living thing that consumes energy from a producer
produces its own energy
plants from sun
Elements
Abiotic
non-living thing in an ecosystem
temperature
sunlight
Biotic
living thing in an ecosystem
Ecological
Succession
Secondary Succession
happens in an area where a community that previously existed has been removed
Primary Succession
happens in a lifeless area or areas where the soil is not capable of sustaining life
Ecological Succession
the process of change of species in an ecosystem
Food Chains
Decomposers
get energy by breaking down dead plant and animal matter
Consumers
Omnivores
eat both plants and animals for energy
Carnivores
eat other animals for energy
Herbivore
Eat plants for energy
Producer
plants: give energy to consumers to grow
Sun
Gives energy to plants to grow
Ecosystem
Types of Ecosystems
Mountain
high up/lots of vegetation
Coral Reef
warm ocean/lots of vegetation
River
water
Tundra
cold/little vegetation
Desert
hot/dry/little vegetation
Grassland
dry/lots of grass
Temperate
all seasons/lots of vegetation
Tropical Rainforest
warm/wet/lots of vegetation
An ecosystem includes all of the living thing in a given area
