Interactions in the Environment

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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