NEW
Font size
S
M
L
XL
WorksheetsWatersheds#1
Total questions: 30
Worksheet time: 26mins
Name
Class
Date
1.
A system made up of organisms interacting with one another
a)
biology
b)
abiotic
c)
biotic
d)
ecosystem
2.
Organisms that make up the living part of an ecosystem.
a)
abiotic
b)
biotic factors
c)
ecology
d)
ecosystems
3.
Which is a biotic factor?
a)
sunlight
b)
air
c)
bacteria
d)
all of the above
4.
Ecosystems are always______.
a)
always changing
b)
always balanced
c)
never changing
d)
never balanced
5.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
6.
The place where an organism lives is its _________.
a)
habitat
b)
abiotic
c)
ecosystem
d)
community
7.
All of the nonliving parts of an ecosystem are _______.
a)
biography
b)
biotic
c)
abiotic
d)
biology
8.
What is the definition of Biotic factors?
a)
Dead things
b)
plants
c)
Living things or organisms
d)
soil
9.
Temperature, light, air, water, and soil are all _____ parts of the environment
a)
alive
b)
biotic
c)
abiotic
d)
living
10.
Abiotic factors are livings things in an ecosystem.
a)
False
b)
True
11.
Which is a biotic factor?
a)
Fox
b)
Mountain
c)
Air
d)
Sunlight
12.
What is Point Source Pollution (PSP) ?
a)
When you cannot trace the direct source of pollution
b)
When you can trace the point of the source - "pipe to source"
13.
A lake that stores water for human use is called a ____________.
a)
dam
b)
oxbow lake
c)
reservoir
d)
crater lake
14.
The build up of nutrients in a lake is a process called ________________.
a)
eutrophication
b)
volcanic eruption
c)
algae buildup
d)
pond death
15.
Where would you find brackish water?
a)
Wetlands
b)
Aquifers
c)
Glaciers
d)
Estuaries
16.
The transition zone between dry areas of land and bodies of water are called:
a)
Wetlands
b)
Watersheds
c)
Divides
d)
Estuaries
17.
The illustration provided shows a river and four cities on that river. When the water from the river was sampled at location X, it was determined to be polluted with various chemicals. What would be the most likely source for this pollution?
a)
City 1 and City 2
b)
City 2 and City 3
c)
City 3 and City 4
d)
City 1 and City 4
18.
What are the 3 types of wetlands?
a)
swamp, ocean, river
b)
pond, river, marsh
c)
marsh, marsh, marsh
d)
swamp, marsh, bog
19.
Humans affect watersheds and wetlands by :
a)
polluting
b)
destroying
c)
overbuilding
d)
all of the above
20.
A ___________________ is the area of land that collects runoff and channels it into a main river.
a)
rill
b)
gully
c)
stream channel
d)
watershed
21.
___________ is the most powerful force of weathering and erosion because it can cause both chemical and mechanical weathering as well as erosion.
a)
wind
b)
water
c)
gravity
d)
ice
22.
Where is water most likely to become contaminated?
a)
forest
b)
near a cattle farm
c)
near a dam
d)
at the bottom of the ocean
23.
Which of the following is an example of how humans can reduce the rate of natural erosion?
a)
plow cropland
b)
clear land of trees to build
c)
plant trees
d)
logging
24.
Wetlands are important to humans because:
a)
they provide flood protection
b)
they improve water quality
c)
they act as a filter
d)
all of the above
25.
What are tributaries?
a)
People who honor others
b)
Smaller rivers that flow into larger rivers
c)
A lake or an ocean
d)
Large ships
26.
What are tributaries?
a)
People who honor others
b)
Smaller rivers that flow into larger rivers
c)
A lake or an ocean
d)
Large ships
27.
What is erosion?
a)
When rocks and sand are moved by water
b)
When water gets contaminated
c)
When plants grow next to a river
d)
When rocks are broken apart by water
28.
Which of the following can pollute water?
a)
Moss
b)
Pesticides
c)
Seaweed
d)
Fish
29.
What kind of plants show you that you are in a swamp?
a)
grasses
b)
trees
c)
moss
30.
What kind of plants show you that you are in a bog?
a)
grasses
b)
trees
c)
moss
Reset
