Ecosystems & Habitats
What is the place where an organism lives called?
Habitat
What does abiotic mean?
Non-living
What is a food chain?
A sequence showing how energy passes from one organism to another
What is competition?
The struggle for resources in short supply
Name one instrument used to measure abiotic factors.
Light meter
Give one reason why we study ecology.
To understand interactions in ecosystems
Give two examples of abiotic factors.
Light, temperature
Give an example of a simple food chain.
Leaf → Caterpillar → Thrush → Hawk
Name two types of competition.
Contest, scramble
What is a pooter used for?
Collecting small insects
What is an ecosystem?
A group of organisms interacting with each other and their environment
How is soil pH measured?
With a pH meter
What is a producer?
An organism that makes its own food
Give one example of interdependence.
Bees and flowers
Why do we use random sampling in habitat studies?
To avoid bias
Give two examples of ecosystems.
Grassland, Lakes
Why are abiotic factors important?
They affect where organisms live and grow
Why does energy decrease along a food chain?
Energy is lost as heat and waste at each stage
Why is competition important in ecosystems?
It controls populations and drives adaptation
What is a quadrat used for?
Estimating the number of plants in an area
Explain why ecosystems are important for humans.
They provide resources like food, oxygen, and raw materials
Give two examples of biotic factors.
Plants, animals
What is a food web?
Interconnected food chains
Explain how interdependence helps ecosystems survive.
Organisms rely on each other for food, shelter, and reproduction
Why do we repeat measurements in habitat studies?
To increase reliability of results