Ecosystems Review

 A group of parts working as one unit is a …

 A system

 Living and nonliving things working as one to meet the needs of the living things is an

 An ecosystem

 A group of the same species, living in the same place, at the same time is a…

 A population

 Nonliving parts of an ecosystem (5-SWATS)…

 Sunlight  Water  Soil  Air  temperature

 All populations living in the same area is a…

A community

Name the 3 levels of a food chain

 Producers  Consumers (and secondary)  Decomposers

 Overlapping food chains are called…

Food webs

Coral reefs and tropical rain forests both (name 2 things they have in common)…

 Are near the equator  Have water  We get many important resources from them  A variety of species found no where else on Earth

Name the 3 ocean zones

 Intertidal  Near-shore  Open-ocean

Name the 3 slow changes to an Ecosystem…

 Erosion  Succession (one community replaces another)  Climate change

Name 3 rapid changes to an Ecosystem

 Hurricanes  Forest fires  Tornadoes  People  Thunderstorms  volcanoes

How do humans damage Ecosystems (name 2)?

 Cutting down trees  Forest fires  Pollution/chemicals

How do humans help Ecosystems (name 2)?

Fish ladders Getting involved Planting gardens Cleaning up trash/litter Relocating living things Turning old stuff into new stuff (mines into hiking trails, sinking cleaned out rigs to be used as a habitat for underwater creatures)

How can we conserve/save resources? (4 Rs)

 Reduce-use less  Reuse-use one thing for another (containers for planters)  Recycle-e.g. plastic  Redesign-redesign packaging to use less material or environmentally friendly (biodegradable) material

How can we preserve (keep the same) resources?  Have Government make _______.

 laws

A wolf is an example of a…  Consumer  Producer  decomposer

 consumer

A dandelion is an example of a…  Consumer  Producer  decomposer

 producer

A worm is an example of a…  Consumer  Producer  decomposer

A person is an example of a…  Consumer  Producer  decomposer

 consumer

Fungi are an example of a…  Consumer  Producer  decomposer

Resources from tropical rain forests (name 3)…

 Fruit  Animals  Flowers  Nuts  Spices  wood

Resources we get from a coral reef (name 2)…

 Sponges  Coral for jewelry  Tropical fish (for home/business fish tanks)  Fish (to eat)

The deepest zone of the ocean is the…

 Open-ocean zone

What could cause a forest fire?

 People  Lightning  Sun/Heat/dry conditions

 When the community in an ecosystem slowly takes over another this is known as _______.

 succession

 When people use resources wisely, they are practicing ___________.

 conservation

 Changing or using less material to make or package an item is called (R)…

 redesign

 If a hurricane were to destroy the habitat for plants along the coast, new plants would grow replacing the old ones. This process is called _____.  Erosion  Conservation  Succession

 A new aluminum can made from old/used cans is an example of ______.  Reusing  Recycling  Reducing

 recycling

 Which of the following is an example of conserving water?  Watering plants  Turning off the lights  Taking shorter showers

 What will you remember most about Ecosystems?

 Great job!