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WorksheetsInteractions in Ecosystems
Total questions: 25
Worksheet time: 25mins
Which organelle performs PHOTOSYNTHESIS?
Chloroplast
Mitochondria
Cytoplasm
Nucleus
What process occurs when light energy is captured in producers and converted into sugar?
Photosynthesis
Cellular Respiration
What is the picture displayed?
atom
element
carbon dioxide
molecule
What is a producer?
An organism that can make its own food using energy from the sun.
An organism that eats other organism to survive.
a person who pays for movies to be made.
An organism that breaks down dead things and waste.
How does a food chain relate to a food web?
they are 2nd cousins twice removed
the food chain shows one possible path of energy as it flows from organism to organism.
there is no connection
What percentage of energy from one organism is passed onto the next organism in a food chain?
10%
20%
30%
40%
There is less energy as you move up a pyramid of energy because...
There are fewer organisms at each level
Energy is stored at each level
Energy is lost at each level
The organisms are bigger as you move up a pyramid
Another word (a synonym) for a producer
scavenger
consumer
photosynthesizer
heterotroph
In which organelle does cellular respiration occur?
chloroplast
nucleus
mitochondria
cell membrane
Which of the following is NOT biotic?
ant
ant lion
ant lion's den
grass surrounding the den
The role an organism plays in its habitat is called its...
profession
niche
natural selection
adaptation
Cells withdraw energy by..
breaking down glucose molecules
making glucose molecules
using carbon dioxide
using photosynthesis
Which of the following is NOT a product of cellular respiration?
carbon dioxide
water
ATP energy
glucose
A collection of all of the living populations in an area is a(n)
ecosystem
species
community
population
Nitrogen-fixing bacteria live on special nodes in the roots of bean plants. The bacteria "fix" the nitrogen so that the plants can use it. Which word BEST describes this scenario?
predation
competition
parasitism
mutualism
