Terrestrial Ecosystems
What are situated on land and surrounded by air?
Terrestrial ecosystems
Ecosystems that are situated in water environments
Aquatic ecosystems
All living things in ecosystems...
Interact
Name one example of a threat to organisms in ecosystems
Deforestation, overexploitation, pollution
Which ecosystem is home to squirrels?
Mediterranean forests
The driest regions in the world
Deserts
Small freshwater ecosystems
Ponds
Relationships where organisms depend on each other
Symbiotic relationships
Results in the loss of habitat for many living things
Deforestation
The name of a relationship when one organism benefits and the other is harmed
Parasitism
The most biodiverse ecosystems on Earth
Rainforests
Bodies of flowing water
Rivers
Relationships where organisms compete with each other to survive
Competitive relationships
When we take more fish from the sea than can be replaced naturally
Overfishing
Algae, turtles, otters and salmon live here
Rivers
A vast area with no trees and only low plants
Tundra
Salt water aquatic ecosystems
Oceans and seas
The name of a relationship when both organisms benefit
Mutualism
Toxic waste and by-products from human activity can cause this
Pollution
What are typical of humid regions with cool summers?
Deciduous forests
The layer of Earth where all life exists
Biosphere
Reeds grow here
Lakes
The name of a relationships where one entity is unaffected and the other benefits
Commensalism
An extinct bird species discussed in the book
The dodo
When only a few organisms of a species are left, it is called...
Endangered species