Which of the following is not a producer?
a) flower b) squirrel c) oak tree d)phytoplankton
b, squirrel
Which is an example of primary consumer?
a) snake b) hawk c) rabbit d) green plant
c, rabbit
What type of consumer only eats plants?
an herbivore
Fungi is an example of a ____________?
decomposer
What is the primary source of energy in most ecosystems?
the sun
What is the primary importance of producers in an ecosystem?
they provide the foundation of energy
An organism that feeds on secondary consumers, often at the top of the food chain.
tertiary consumer
If an energy pyramid shows 6000 J for producers, then how many J would transfer to the primary consumers?
600 J
What is a biotic factor?
any living or once living organism
Organisms that use energy from the sun to make their own food are called
a) heterotrophs
b) autotrophs
c) ominvores
b) autotrophs
Organisms that create their own food through processes like photosynthesis, primarily plants and algae.
producers
What type of consumer feeds directly on producers?
primary consumer
What would increase if the population of mice decreased?
the population of grasshoppers
Where does the mouse get its energy from?
the grasshopper
What organism breaks down dead matter in an ecosystem?
decomposers
What is the primary function of cellular respiration?
to break down glucose for ATP (energy)
What type of consumer is the owl?
tertiary consumer
A group of zebras living together in the same area is an example of:
C) population
What is a detritivore?
type of decomposer that feeds on dead organisms
Where does cellular respiration occur in cells?
mitochondria
Where does photosynthesis occur in plant cells?
Chloroplasts
omnivore
What would happen in an ecosystem without decomposers?
dead matter would accumulate
What do we call a geographic area where biotic and abiotic organisms interact?
an ecosystem
The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide (CO2) and water.
photosynthesis