Ecosystems
What is an ecosystem?
Living and non-living organism living and working together in a specific area.
Why are consumers important to the ecosystem?
How does a plant make it owns food?
Photosynthesis
Which of these is a decomposer?
bird, cat, plant, mushroom
mushroom
Draw an example of a food web?
answers will vary
What would be the effects of dust in the sky following an volcanic eruption?
Plants wouldn't be able to make food because they make food from sunlight.
Provide 3 consumers that can be found in a saltwater ecosystem?
answers will vary
Which organism below is a producer?
plant, caterpillar, bird, raccoon
plant
Which of these is a decomposer?
Snake, fish, rabbit, worm
worm
What is a food chain?
describes how energy flows through an ecosystem.
What happens to a population of animals when food is plentiful?
population increases
What is a consumer?
What is a producer?
provided energy to the other organism in the food chains by getting their own energy from the sun.
What is a decomposer?
What is food web?
Consists if all the food chains in a single ecosystem
What is the correct order of energy flow in an ecosystem using these words?
Decomposer, sun, consumer, and producer
Less energy or food was available to predators of the mussel.
A severe flood destroys a certain type of plant. If this plant is no longer part of the ecosystem, what would happen?
Many parts of the ecosystem may be affected by the loss of this type of plant.
What are three examples of decomposers?
Worm, bacteria, and fungi
What organism is at the top of the food chain?
Humans
What would be some of the effects of a forest fire?
Producers would die from the fire.
Consumers that survived would have to leave to find new food sources.
What happens to the amount of food in an ecosystem when there are too many deer?
The amount of food decreases
Humans cut down tress at the lake. This causes the soil on the bank to slide down. Now the water is murky and not as much sunlight can get through the water. What effect will this have on the lake ecosystem?
Without sunlight, the algae in the lake may not grown. Many fish depend on algae to survive.
What would happen if we no longer had decomposers?
All organic matter would build up and take over.
Provide an example of a food chain using the following organisms...cougar, hare, plant
plant, hare, cougar