Food Chains & Food Webs
What is the name of an animal that eats plants?
Herbivore
What is a habitat?
The place where an organism lives.
What is an ecosystem?
A community of organisms and their environment.
What is pollution?
The introduction of harmful substances into the environment.
What is a population?
All the organisms of one species living in an area.
In the food chain: Grass → Rabbit → Fox, what is the producer?
Grass.
Name one thing a habitat provides for living things.
Food, water, shelter, or space.
Are soil, water, and sunlight living or non-living parts of an ecosystem?
Non-living (abiotic).
What gas is increasing due to burning fossil fuels?
Carbon dioxide.
Scientists often use a quadrat to study what?
The abundance or distribution of plants and small organisms.
What is the term for an animal that eats both plants and animals?
An omnivore.
Which habitat would you find a camel in?
A desert.
What word describes the living parts of an ecosystem?
Biotic.
Name one human activity that can destroy habitats.
Deforestation, building, mining, farming, etc.
If there are more births than deaths, what happens to a population?
It increases.
Why are plants called producers?
They make their own food through photosynthesis.
Why are polar bears well adapted to the Arctic?
Thick fur and fat help keep them warm.
Give one example of an interaction between organisms in an ecosystem.
Predation, competition, pollination, etc.
How can recycling help the environment?
It reduces waste and conserves resources.
Why do scientists take several samples when using quadrats?
To make results more reliable.
If a disease reduces the rabbit population in a food web, what could happen to the fox population?
It may decrease because there is less food available.
Explain what might happen if a habitat is destroyed.
Organisms may lose food and shelter, populations may decrease, or species may move away or die.
Why is biodiversity important in an ecosystem?
It helps ecosystems stay healthy and stable.
Explain how deforestation can affect food webs.
It removes habitats and food sources, affecting many organisms in the web.
A field has many daisies in sunny areas but few in shaded areas. What does this suggest?
Daisies grow better in sunny conditions.