Interpreting Data
Food Webs
Interactions in an Ecosystem
Introduced Species
Just For Fun: Disney/Pixar Movie Trivia
100
What could have caused the drop in vole population at Year 15?
An introduced predator, a sudden change in temperature or other environmental factors, food scarcity, etc
100
What does a decomposer do in an ecosystem?
It breaks down dead material and waste
100
A new fish moves into a lake ecosystem. It eats the smaller fish already in the lake. What kind of interaction is this?
Predator-prey OR predation
100
What is an introduced species?
A species that is not native to an area
100
In the movie Inside Out 2, what sport does Riley play?
Hockey
200
What patterns do you see in the data below?
There is an increase in population size.
200
Which of the following organisms is a consumer?
Rabbit, owl, humans
200
What is one example of mutualism?
Ex: A sunflower being pollinated by a bee
The bee gets food, and the sunflower gets pollinated - BOTH benefit!
200
What must we identify when coming up with solutions to introduced species?
Criteria and constraints
200
In the movie Moana, what must Moana help return?
The heart of Te Fiti
300
According to the chart below, native plants and birds prefer lower temperatures. What is one piece of evidence that tells us this?
There are more native birds and native plants in the interior of the forest where the temperature is lower.
300
Where does all of the energy come from in an ecosystem? HINT: What starts all food webs?
The sun
300
A mosquito bites a dog. What type of interaction is this?
Parasitism
300
Why might an introduced species be successful in an area?
There are no natural predators, there is a large food source
300
In the movie The Princess and the Frog, Ray is in love with Evangeline. What is Evangeline?
A star
400
Based on the graph below, what can you predict about the population of voles over the next 20 years?
**Answers will vary; sample answers:
It will increase due to an overall increase over the last 20 years.
400
A new fish is introduced to a lake ecosystem. This fish eats the smaller fish that live in the lake. How does this affect the food web?
There are less smaller fish in the lake, which means there is more of whatever food they eat.
400
What is an example of competition?
Elk and bison eat the same grass, so they must compete for a food source.
400
An introduced species is one type of disruption to an ecosystem. What is one additional biotic disruption and one additional abiotic disruption?
Biotic: Disease, competition
Abiotic: Natural disasters
400
In the movie Luca, what 3 events do the kids have to compete in for their triathlon?
Swimming, pasta eating, and biking
500
What patterns do you see in the native birds?
There is no set pattern - it increases for a while and then decreases.
500
Draw a food web for an owl. Include at least 1 producer, 3 consumers, and don't forget how all food webs start!
500
What type of interaction is described below:
A butterfly sits on a frog's head. The butterfly doesn't have to touch the water, and the frog is neither helped nor harmed.
Commensalism
500
What are some tradeoffs of releasing an animal into a new ecosystem?
The animal may die in the new habitat.
The animal may become an introduced species and mess with the ecosystem.
500
In the movie Monsters Inc., what is the code for 'human contamination'?
2319