Mutualism, Parasitism, Commensalism, Predator & Prey
In a swamp, rabbits eat marsh grass. Bobcats eat rabbits. Identity the predator and prey in this scenario.
Primary Energy Source
The Sun
Another name for a producer
Autotroph
T/F: If you remove an organism from a food web, it will affect other organisms in the ecosystem.
True
Bacteria living in cows' stomachs help them break down the cellulose in grass. This is an example of...
Mutualism
An organism that cannot make its on sugar--must eat to gain energy
Heterotroph or Consumer
An organism that breaks down matter and returns nutrients to the soil
Decomposer or Detritivore
In the food chain Sun → Grass → Grasshopper → Bird which animal would be most directly affected if a forest fire burned all the grass away.
Grasshopper
A tertiary (third-order) consumer would eat what level of consumer?
Secondary consumer
A remora fish attaches itself to the underside of a shark, and eats leftover bits of food from the shark's meal. This is an example of...
Commensalism
Why are their fewer consumers as you move up the energy pyramid?
There is not enough energy to support many of them
Phytoplankton lives in the ocean and gets its energy from the sun. What would it be classified as?
Producer
In the food chain Grass → Zebra → Lion what would happen to the lion if the zebra population decreased?
The lion population would decrease
A vampire bat drinks the blood of horses. This is an example of...
Parasitism
T/F: The energy flow in this food chain correct
Grass<--Aphid<--Spider<--Thrush
False
Which would be an example of a primary consumer?
Plant-->Caterpillar-->Bird-->Thrush
Caterpillar
In the food chain Grass → Mouse → Snake → Owl what would happen to the mice population if the snake population decrease?
The mice population would increase
List an abiotic factor in a desert ecosystem
Sand, wind, rocks, etc.
A symbiotic relationship is a long-term interaction between members of different species that often benefits one or both organisms. Which one of the four relationships in this topic is a non-symbiotic (short-term) relationship?
________ energy is transferred to chemical energy during the process of photosynthesis
Light (Radiant)
Liliana takes a nature walk. On her walk she notices ladybugs, earthworms, maples trees, rabbits, wasps, centipedes, grass, opossums, flies, slugs, blueberry bushes, raccoons, and caterpillars. Correctly identify the producers that she sees.
Maples Trees, Grass, Blueberry bushes
In the food chain Tree → Deer →Mountain Lion what would be the result if the tree population decreased due to a forest fire?
The deer and mountain lion populations would decrease
Matthew and Jose are on a forest field trip. They observe the forest floor and notice that it is covered with dead plants. “Those plants don’t do anything good for the forest,” said Matthew. What could you tell Matthew about those dead plants?
Decomposers will eat the dead plants and keep the flow of energy moving.