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WorksheetsFood Chain/Energy Pyramid
Total questions: 10
Worksheet time: 8mins
If the GRASS became diseased, which organisms would also be NEGATIVELY affected?
Rabbits only
Rabbits and snakes
Rabbits, snakes, and hawks
Rabbits and hawks (snakes benefit)
If the RABBITS became diseased, which organisms would also be NEGATIVELY affected?
Grass and hawks
Grass and snakes
Grass, snakes, and hawks
Snakes and hawks
If the RABBITS became diseased, which organisms would also be POSITIVELY affected?
Grass
Snakes
Nobody (all hurt)
Hawks
What happened after 12 months after the hawk population was MOSTLY killed off?
Snakes increased, Rabbits decreased, and Grass increased. Then everything balanced back out to almost normal.
Initially everything was stable, but the snake population killed all the rabbits and then died out themselves.
Everything went down significantly at first, then the hawks recovered.
Everything except the grass died off at first, then the rabbits recovered.
What does equilibrium mean?
Being in balance; staying the same for a long time.
When a species has a very high population
Changing gradually over time
Nearly dieing off before recovering again.
Which organism is a consumer?
Venus flytrap
Mushrooms
Grass
Algae
Which of the following is not true about predator-prey relationships?
Predators lower the size of prey populations
If a prey population grows, the predator population will grow too
Predators hunt/eat prey.
If a predator is removed, the prey population will die off.
Why are the lower levels of the energy pyramid bigger than the top levels?
The bottom is for larger animals.
The bottom levels don't need as much energy.
The top levels get energy (eat) the lower levels.
The top levels have fewer predators for they are smaller.
When is your Writing STAAR?
Next month (early May)
Next Tuesday (April 10)
Next Wednesday (April 11)
We don't have a Writing STAAR
What is the effect of removing prey from a food chain?
All predators above them will die or suffer.
The prey's predator will die or suffer, but everybody else should be fine.
The prey will always, eventually, come back
The predators population will grow
