Ecosystem Unit Review / Test is______________________
Name: ________________________________ Homeroom: ________________
Parent signature: _______________________________ (for extra credit)
Cells
1. All living things are made up of ______________________________
2. Cells are made up of
__________________________ = control center for the cell
__________________________ = jelly-like substance that fills the cell
__________________________ = keeps the cell together
__________________________ = stores water and other materials (plant cell)
3. Draw and label a cell below using the parts listed above
Ecosystems
Use the word bank below to match the vocabulary words to their definitions
ecosystem
habitat
niche
population
community
4. _________________________ the organism’s job or role in its ecosystem
5. _________________________ the number of species in one area
6. _________________________ where an organism lives
7. _________________________ all of the populations on one area
8. _________________________ the community of living and non-living parts
Use the word bank below to match the vocabulary words to their definitions
herbivore
consumer
parasite
omnivore
carnivore
decomposer
producer
host
9. _________________________ an animal that only eats meat
10._________________________ an organism that breaks down other dead organisms
11._________________________ an organism that makes its own energy from the sun
12._________________________ an animal that only eats plants
13._________________________ an organism that feeds but does not kill another
14._________________________ an organism that has to eat to get energy
15._________________________ an organism that is feed off of by a parasite
16._________________________ an animal that eats both plants and animals
17. Draw a food chain using the following parts: carnivore, sunlight, decomposer,
producer, and herbivore. BE SURE TO USE ARROWS TO SHOW HOW THE
ENERGY MOVES THROUGH THE FOOD CHAIN.
18.What are four common abiotic (non-living) elements in an ecosystem?
Circle the most important abiotic element in most ecosystems.
1)
2)
3)
4)
19.How do plants turn sunlight into energy (what is the name of this process)?
20.What are the four major limiting factors for plant and animal populations?
1)
2)
3)
4)
21.Make a simple food web that includes the following: BE SURE TO USE ARROWS
TO SHOW HOW THE ENERGY MOVES THROUGH THE FOOD CHAIN.
• Sunlight
• Grass
• Oak tree
• Squirrel
• Mouse
• Small bird
• Grasshopper
• Owl
• Decomposers
22. Explain how the populations of predators and prey are related.
Match the ecosystems to the descriptions below.
forest
ocean
pond
estuary
wetlands
lake
grassland
23._____________________ terrestrial, dry soil, filled with grasses, few trees
24._____________________ aquatic, fresh - still water, larger than a pond
25._____________________ aquatic, salt water, very large
26._____________________ terrestrial, good amount of rain, filled with trees
27._____________________ aquatic and terrestrial, where a river meets the ocean
28._____________________ aquatic, fresh – still water, smaller than a lake
29._____________________ aquatic and terrestrial, habitat for many animals and plants
Extra credit: show the chemical equation for photosynthesis below
______________________ + _________________________ + ___________________ ______________________ + ___________________________