Cycles of Matter
What process in the water cycle releases water vapor from plants?
What is Transpiration
What is always at the base of a food chain?
What are Producers
An organism that eats only producers is called what?
What are Primary consumer/herbivore
A bee pollinating a flower is what type of symbiosis?
What is Mutualism
What happens to producers if oil blocks sunlight in the ocean?
What is They decrease
What gas do plants take in during photosynthesis?
What is Carbon dioxide
How much energy is passed from one trophic level to the next?
What is 10%
If grasshoppers disappeared, what would happen to the frog population?
What is It would decrease
A tick feeding on a dog is what type of symbiosis?
What is Parasitism
If a fox only eats rabbits, what happens to foxes if rabbit populations drop?
What is Foxes decrease
Which step returns nitrogen back into the atmosphere?
Denitrification
If plants have 9000 J, how much energy does the sparrow get?
What is 9 J
True or False: Food webs show many connections between organisms.
True
A spider web in a tree (tree unharmed) is what type of symbiosis?
What is Commensalism
When food is destroyed, what happens to the population that depends on it?
What is It decreases
Match the cycle → Precipitation, evaporation, condensation, transpiration.
What is the Water Cycle
What happens to most of the energy in a food chain?
What is Released as heat
If humans hunted the bears in an ecosystem, what would likely happen to the mouse population?
What is It would decrease
A lion and hyena fighting over food is an example of…
What I Competition
Removing rattlesnakes caused which population to increase — birds or rodents?
What are Rodents
Which cycle includes respiration, photosynthesis, combustion, and decomposition?
What is the Carbon Cycle
Which organism type breaks down dead things and recycles nutrients?
What are Decomposers
In the marsh food chain (Grass → Grasshopper → Toad → Snake → Hawk), what happens if the toad population increases?
What is Snake population increases / Grasshopper decreases
The role an organism plays in its environment is called its…
What is Niche
Populations of organisms in an ecosystem depend on each other. What do we call these interacting groups?
What are Communities or Ecosystems