Vocabulary
Decomposers
Food Chains & Food Webs
Maintaining an Ecosystem
Producers
100
an organism that creates its own energy using sunlight
producer
100
What role would best apply to fungi or bacteria?
decomposers!
100
The Law of the Conservation of Mass states…
Mass can neither be created nor destroyed.
100
What could be a result of overhunting in a region?
Extinction of certain species
100
Which of the following organisms below is a producer?
Sunlight
Palm Tree
Butterfly
Skunk
2. Palm Tree
200
an animal that gets energy by eating other animals
carnivore
200
Which best explains the role of a decomposer?
Recycles dead materials back into an ecosystem.
Creates energy from the sun.
Breaks down larger living animals into smaller pieces.
Create oxygen for living creatures.
1. Recycles dead materials back into an ecosystem.
200
Which statement is true about the food chain?
A) Birds are eaten by grasshoppers.
B) Owls are at the bottom of the food chain.
C) Grasshoppers are omnivores.
D) Snakes are eaten by owls.
D) Snakes are eaten by owls.
200
a meat-eating organism; a carnivore
secondary consumer
200
Unlike plants, most animals cannot make their own food. How do these animals obtain the energy they need?
Animals must eat other organisms to get energy.
300
an animal that gets energy by eating plants AND animals
onmivore
300
Which of the following would increase the rate of decomposition of an apple that fell from a tree?
Amount of sunlight
Carbon
Distance it fell
Wind
1. Amount of sunlight
300
All the energy that is transferred through a food web comes from where?
Plants
300
The rattlesnake is an organism that is native to the North American continent. In North America, this rattlesnake helps to control the mouse and frog populations. The rattlesnake is also a dependable source of food for both hawks and eagles among other large birds.
Imagine that the rattlesnake is accidentally brought to Europe with a shipment of fruit.
Would the rattlesnake be considered a native species or an alien species to the Europeans? Explain why.
The rattlesnake would be considered an alien species because it was newly introduced to the continent
300
What is the process by which plants make their own food?
Photosynthesis
400
a plant-eating organism; an herbivore
primary consumer
400
What is the difference between a native species and an alien species?
A native species is an organism that is naturally found in an area whereas an alien species is newly introduced.
400
Which term is always another name for a secondary consumer?
Carnivore
400
The rattlesnake is an organism that is native to the North American continent. In North America, this rattlesnake helps to control the mouse and frog populations. The rattlesnake is also a dependable source of food for both hawks and eagles among other large birds.
Imagine that the rattlesnake is accidentally brought to Europe with a shipment of fruit.
What is one possible negative effect of bringing the rattlesnake to a new continent such as Europe? Think of what kind of effect this could have on animals living on that continent.
The snake may not have any natural predators in Europe and the number of snakes may increase dramatically.
The snake may prey on native species, putting them at risk of extinction.
400
Which statement is true?
Producers depend upon consumers for food.
A producer must be a plant.
Producers rely on the sun for energy.
All of the above are true.
3. Producers rely on the sun for energy.