Vocbulary
What do we call living organisms that break down dead animal and Plants
What is a Decomposers.
What is a simple feeding relationship called?
What is a food chain?
If a drought makes plants die off, name two effects on other organisms.
Primary consumers lose food, predators decline.
What is it called when forests are cut for farming?
Deforestation
How does climate change affect ecosystems?
It disrupts temperature and food availability.
What is an organism that eats both plants and animals?
Omnivore
In a pond ecosystem: grass > frog > snake > hawk. If the frogs die, what happens to the snake population and why?
Snake populations drops due to loss of food.
What happens if all producers die in an ecosystem?
Consumers lose their food source.
How can pollution affect aquatic ecosystems?
It can eliminate plants, which would reduce oxygen.
What is the cycle called where water moves through evaporation and precipitation?
The Water Cycle
What is the role an organism plays in its environment called?
What is a niche?
What is a complex map of many feeding relationships called?
What is a Food Web?
If wolves are removed from an ecosystem, what happens to deer populations?
It increases due to less predation.
What happens when habitats are destroyed?
Biodiversity decreases.
What gas do plants release during photosynthesis?
Oxygen
What is the term for the variety of life in an ecosystem?
Biodiversity
If primary consumers decrease, what happens to secondary consumers?
They decrease to less food.
What happens to predators, if their prey dies off?
Predator population decreases.
A factory dumps chemicals killing aquatic plants. How does this affect energy flow?
Producers die > consumers decline > ecosystem becomes unstable
What do we call animals that hunt other animals?
Predators.
What is an organism that makes it own food using sunlight called?
Producer.
What direction does arrows point in a food chain?
Toward where the energy goes.
How can the introduction of a new predator affect balance?
It disrupts its native population.
Why is overfishing dangerous?
It removed too many consumers.
Describe how energy flows and matter cycles in an ecosystem
Sun > Producers > consumers > decomposers, energy flows one-way, matter cycles