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What is an ecosystem?
An ecosystem is all of the organisms living in a place together with their environment
Do ecosystems change over time?
Yes
What is an organisms environment made up of?
Non-living and living things
Choose the correct word: a habitat is where an organism hunts/lives within an ecosystem
Lives
The living and non living things that surround and affect an organism is called...
Environment
What is a biotic part of an environment?
Plants, animals & other organisms
What does the word biotic refer to?
Living things in an environment
What does the word abiotic refer to?
Non living things in an environment
Name some abiotic things in an environment
Climate, water, soil, air, nutrients
Why are abiotic factors important to a frog for example?
Water, soil etc
Name a large ecosystem
Forest, desert, sea, swamp etc
Name a small ecosystem
Bush, puddle, pond etc
Each ecosystem has its own collection of .........
Living and non-living things
Organisms tend to live in groups called ......
Communities
A group of the same organism living in an ecosystem together is called
A population.
The different populations in an ecosystem make up the ecosystems.....
Community
The interaction between different populations in an ecosystem to meet their needs is called?
Competition
Populations of species in an ecosystem compete for their needs. What are their needs?
Food, water, shelter and a space to live
When a population doesn’t compete for things in an ecosystem what happens/?
They won’t survive
There is a certain supply of food, water, shelter etc to provide for populations in an ecosystem. What do you call these resources?
Limiting factors
Does competition just occur between populations or within populations?
Between and within
What is a habitat
Where an organism lives within an ecosystem
What is an organisms niche?
It’s complete role or function in an ecosystem
Name an animal with a narrow niche in relation to food.
Pandas
What is diversity?
The variety of different species that live in an ecosystem
Why is diversity important ?
Teacher decides if reason is strong enough