WorksheetsMystery Science Web of Life
Total questions: 15
Worksheet time: 15mins
Where did the Tyrannosaurus get its energy from? Give an example:
T. rex got its energy from Triceratops. That energy is not connected to the Sun.
T. rex got its energy from green plants, which got their energy from the Sun.
T. rex got its energy directly from the Sun.
T. rex got its energy from eating Triceratops. Triceratops ate green plants and green plants got their energy from the Sun.
Scientists are worried that a disease that kills oak trees will spread into this forest. What would happen to this ecosystem if all the oak trees suddenly disappear?
If there aren’t any oak trees, the squirrels will not have anything to eat. They will need to find another food source or they will not survive.
If there aren’t any oak trees, the robins will not have anything to eat. They will need to find another food source or they will not survive.
If there aren’t any oak trees, the hawks may not have anything to eat because the squirrels and robins may not survive.
All of the above.
The energy in all ecosystems originally comes from:
Sunlight
Plants
Heat
Water
Which best describes what a food chain shows you?
Energy flow through an ecosystem
Food flowing through an ecosystem
Consumers going into other consumers
Who eats who
What are the organisms that break down dead stuff?
Producers
Consumers
Decomposers
Organisms
There are three things a plant MUST have in order to survive. What are they?
soil
water
air
light
Elephants only eat leaves, fruit, nuts and grass. They are called __________.
Omnivore
Fortivore
Herbivore
Carnivore
__________________ are consumers that eat ONLY MEAT.
Omnivores
Carnivores
Producers
Herbivores
Bears eat fish, insects, plants, seeds, nuts and young elk. They are called __________.
Franivore
Carnivore
Herbivore
Omnivore
What is the primary source of energy for most ecosystems on Earth?
Sunlight
Water
Soil
Wind
In a food web, what role do decomposers play?
Producers
Consumers
Break down dead material
Provide energy to plants
Which of the following is an example of a producer in an ecosystem?
Lion
Oak tree
Mushroom
Hawk
What would likely happen to a food web if a top predator is removed?
Increase in prey population
Decrease in prey population
No change
Increase in plant population
Which process in plants converts sunlight into chemical energy?
Respiration
Photosynthesis
Transpiration
Digestion
How do plants contribute to the carbon cycle?
By releasing carbon dioxide during photosynthesis
By absorbing carbon dioxide during photosynthesis
By releasing oxygen during respiration
By absorbing oxygen during respiration
