Energy
What is the primary energy source in an energy cycle?
The sun.
What is the role of a decomposer
To return dead leaves, animals and more to the ground.
What is the first step of the Nitrogen Cycle?
Nitrogen Fixation
What type of relationship is it when both species get something?
Mutualism
Name 3 ecosystems.
Answers may vary, Example: Aquatic, artic, desert.
If a bunny has 100 grams of energy and a fox eats the bunny how many grams of energy does the fox get.
10 grams of energy
What are 3 examples of a primary consumer?
Bunny, fish, and
If a forest fire occurs, what will happen to the carbon in the forest?
it will be released into the atmosphere
What is an example of a predator-prey relationship?
Arctic hare and Polar bear. Answers may vary
An __________ includes all living and non-living things in an environment.
Ecosystem
What is the correct order for how energy travels through an ecosystem?
Producer, primary consumer, secondary consumer, tertiary consumer, decomposer
Algae is a________
producer
What kind of organism obtains the most carbon from the atmosphere?
plants
Parasitism is_____
Where one uses a host to feed off of.
Worms, fungi and bacteria are what in the food web?
Decomposers
Why do the arrows in a food chain point up?
To show how energy travels up through the food chain.
Name the roles in an ecosystem in order.
Producer, primary consumer, secondary consumer, tertiary consumer, decomposer.
How much of N² is in the air?
78%
Why are there fewer organisms at the top of an energy pyramid
Very little of the sun's energy is available to the top level.
Scavengers are ___
Animals that eat remains of another animals prey. They scavenge for food remains.
trout, green algae, seal, great white shark, tuna fish, out of all these which one would receive the least amount of energy in an ecosystem.
The great white shark
Name two examples for each role in an ecosystem.
Grass, Trees,
Bunny, fish
Lions, Jaguar
Worms, Fungi
Why can plants not utilize naturally occurring nitrogen gas?
Plants cannot break the triple bond between the two nitrogen atoms
Symbiosis is the close relationship between two species
Carbon gets turned into ________
Fossil Fuels or diamonds