Ecosystem Review Sheet
Word Bank:
Habitat
Population
Community
Ecosystem
Biotic factor
Abiotic factor
Ecology
Producer
2 level consumer
Consumer
Nocturnal
Herbivore
Carnivore
Omnivore
Decomposer
Food chain
1st level consumer
Food web
nd
Fill in the blanks using the word bank above
1
___________________________
The study of how living things interact with each other and their environment
2
___________________________
All the members of one species in a particular area
3
___________________________
A consumer that eats both plants and animals.
4
___________________________
A consumer that eats only producers (level not type)
5
___________________________
An organism that eats only plants (type not level)
6
___________________________
An organism that obtains energy by breaking down wastes and the remains of dead organisms
7
___________________________
The living AND non-living things that interact in a particular area
8
___________________________
Place where an organism lives and that provides the things the organism needs to survive
9
___________________________
An organism that obtains food and energy by eating other organisms
10
___________________________
A model that shows how energy is transferred from one organism to another
11
___________________________
Different populations that live together in an area
12
___________________________
The non-living parts of an ecosystem
13
___________________________
Organism that eats only animals
14
___________________________
An organism that can make its own food
15
___________________________
A series of overlapping food chains that shows the eating patterns within an ecosystem
16
___________________________
The living parts of an ecosystem
17
___________________________
A consumer that eats 1st level consumers.
18
___________________________
Active at night
FOOD CHAINS / FOOD WEBS
Plant
19
Is this a food chain or food web?
20
Name all of the producers?
→
Aphid
→
Robin
→
Sparrow hawk
21
Who is the 2nd level consumer?
22
In this ecosystem, would you expect there to be more aphids or sparrow hawks?
23
Be able to construct a food web and identify various food chains within a food web
LEVELS OF ORGANIZATION
Identify each of the following as:
A
C
Ecosystem
Community
B
D
Habitat
Population
24
_____________
The classroom
25
_____________
All the mice in the classroom
26
_____________
Only the mice, humans, earthworms, and fish in the room
27
_____________
The aquarium (wet soil with dead organisms) that the earthworms live in
SHORT ANSWER:
28
How does a habitat, population, community, and ecosystem differ?
29
What is the primary source of energy in all food chains?
30
How are producers, consumers, and decomposers different?
31
How is a food chain different from a food web?
32
Why are there fewer top-level consumers than lower level consumers?
33
In a food chain, what direction does the arrow point (be specific: it goes from ________ to _________)?
34
Why do consumers eat other organisms?
35
Arrange the following in order from the smallest to the largest (population, ecosystem, organism, community).
36
Name at least three ways in which energy can be lost.