What is an ecosystem 1?
What is an ecosystem?
An ecosystem is a commuity of living things that live together in a particular place.
Give an example of living things
Animals and plants.
Which living things are consumers?
Animals are consumers. They feed on other living things.
What are family groups?
Animals of the same species and from the same family help each other.
What are terrestrial ecosystems?
Ecosystems on land
Give an example of an ecosystem
A forest, a river or a field, for example
What is a population?
A population is all the living things of the same species that live in an ecosystem.
Which living things are producers?
Plants are producers. They make their own food.
What are Associations?
Some animals cooperate to defend themselves, to travel or to obtain food.
What are Aquatic ecosystems?
Ecosystems in water.
What is the physical environment of an ecosystem?
The physical environment of an ecosystem is made up of all the non-living components.
What is a community?
A community is all the different populations of living things that live together in the same ecosystem.
How do we use food chains?
We use food chains to show how living things feed on other livings in an ecosystem.
What are societies?
Some animals live in large colonies and each animal has a different job.
What are the two types of Aquatic ecosystems?
Freshwater and saltwater ecosystems
Give an example of a physical environment
Climate, soil and water.
Is a city an ecosystem?
Yes because they contain all the components and relationships of an ecosystem.
What do food webs show?
Food webs show more than one food chain in an ecosystem.
Define Mutualism or Commensalism
Mutualism - The relationship benefits two different species.
Commensalism - A relationship benefits one species, while the other species is not affected.
Give examples of terrestrial ecosystems
Forests, grasslands, deserts, polar regions.
What are the two different types of physical environments of an ecosystem?
Terrestial ecosystems on land
Aquatic ecosystems in water.
Give an example of a relationship between living things and the environment.
Earthworms make soil rich with their waste - more plants grow in a richer soil. Plants are home to many animals.
Explain primary, secondary and tertiary consumers.
Herbivores are primary consumers - they only eat plants.
Carnivores are secondary consumers - they eat primary consumers.
Tertiary consumers eat secondary consumers.
Define Parasitism or Competition
Parasitism - benefits one species and harms the other species.
Competition - two or more species compete for the same resources.
Give examples of freshwater and saltwater ecosystems
Freshwater: Rivers, streams, lakes
Saltwater: Coast (far from and near).