NEW
Font size
S
M
L
XL
Worksheets8.L.3.1 - 8.L.3.2
Total questions: 25
Worksheet time: 1hrs 17mins
Name
Class
Date
1.
After a forest fire, plants come back in abundance. Which limiting factor to plant growth is removed?
a)
Food
b)
Shelter
c)
Space
d)
Water
2.
How would a drought most likely affect the plants of a grassy plain?
a)
There would be shorter plants
b)
They would have thicker stems
c)
There would be a greater variety
d)
They would have brighter flowers
3.
Some caterpillars need big wide leaves to wrap up in when undergoing metamorphosis. Which is the limiting factor when there is a shortage of this kind of leaf?
a)
Food
b)
Shelter
c)
Space
d)
Water
4.
Which is an abiotic factor that would affect the growth of a population within an ecosystem?
a)
The availability of producers
b)
The type of herbivores present
c)
The availability of water
d)
The number of carnivores present
5.
Estuaries often have marsh grasses that act as a safe nursery for young fish. Which is a limiting factor, provided by estuaries, does this describe?
a)
Food
b)
Shelter
c)
Space
d)
Predators
6.
In a forest ecosystem, a food chain might look like this: green plants >rabbit>coyote>mountain lion. If the green plants are destroyed in a forest fire, which short-term effect will this have on the organism in this food chain?
a)
There would be fewer rabbits for the ecosystems
b)
The mountain lions would have to begin to eat green plants.
c)
There would be an increase in the coyote population.
d)
There would be more green plants for the rabbits to eat
7.
After a volcanic eruption, it takes a long time for large ecosystems to fully recover. Which statement best explains why the development takes so long?
a)
Space is limited
b)
The quality of light is low
c)
Soil must be created.
d)
Minerals are destroyed
8.
An aquatic food web is shown below. If acid rain causes a decrease in the number if mayfly nymphs, which population will decrease the most in number?
a)
Trout
b)
Frogs
c)
Birds
d)
Snails
9.
How do harsh winters benefit some species, such as deer?
a)
by shielding them for predators
b)
by increasing their food supplies
c)
by eliminating diseases
d)
by reducing the herd population
10.
In this example of a simple food chain. Acorn> Squirrel> Fox> Mountain Lion. What will most likely happen if squirrels are removed from the food chain?
a)
The fox will eat acorns
b)
The fox will population will decrease
c)
The trees will produce fewer acorns
d)
The mountain lion population will increase
11.
A forest food web includes rodents, snakes, and great horned owls. *Snakes eat rats *Great horned owls eat mice and snakes
How will the owls most likely be affected by a sudden sharp increase in local populations of rodents?
How will the owls most likely be affected by a sudden sharp increase in local populations of rodents?
a)
The owl population will either stabilize or increase
b)
The owl population will migrate to another area
c)
The owls will have to find another food source or risk starvation
d)
Owls will have to compete more with each other for available food
12.
Which description relates to an abiotic ecosystem factor?
a)
Plants growing in the environment provide a source of shelter for other organisms
b)
New organisms in the environment rely on favorable weather conditions for survival
c)
Animals in the environment feed on algae and rich organic material found in the water
13.
Which best describes an abiotic limiting factor in a population?
a)
animals
b)
plants
c)
water
d)
food
14.
The diagram below shows the food web of a forest ecosystem.
Which would be negatively affected by an increase in the beetle population?
Which would be negatively affected by an increase in the beetle population?
a)
frog
b)
grass
c)
robin
d)
snake
15.
An aquarist takes half of the fish out of a tank, and the remaining fish grow larger and are healthier. Which factor was most likely affecting the fish?
a)
water
b)
space
c)
shelter
d)
food
16.
Which is an abiotic factor that most limits the number of frogs living in a pond?
a)
the color of the water
b)
the number if predators
c)
the temperature of the water
d)
the population of producers
17.
Which would happen to fish in a pond where the population of algae increases?
a)
A decrease in oxygen causes many fishes to die
b)
An increase in nutrients allows for healthier fish
c)
A decrease in nutrients causes fish to become malnourished
18.
Which best describes the effect on another population in the food web below if nearly all of the field mice are removed?
a)
The number of lynx will increase
b)
The amount of grass will decrease
c)
The amount of seeds will increase
d)
The number of ferrets will decrease
19.
A rainforest area is experiencing a severe drought. As a consequence, the insect population has decreased. What will the insect-eating birds most likely do as a result of the drought?
a)
stop searching for food until it begins to rain
b)
begin reproducing to increase population
c)
move to a new area to find food
20.
If krill is a primary food source for a local population of whales, which will most likely happen to the whales if the krill population suddenly doubles?
a)
The whales will have to compete more with each other for available food
b)
The whales will have to find another food source or risk starvation
c)
The whales will migrate to another area
d)
The whales will increase in number
21.
Which of the following is an abiotic factor that can influence the quantity of fish a pond can support?
a)
availability of plants
b)
concentration of bacteria
c)
quality of water
d)
number of consumers
22.
Which of these do scientists offer as the most recent explanation as to why many plants and animals died out at the end of the Mesozoic era?
a)
worldwide disease
b)
global mountain building
c)
rise of mammals that preyed upon plants and animals
d)
impact of an asteroid created dust that blocked the sunlight
23.
During Siberan summer, reindeer graze on young roots, fungi, grass, and other vegetation. In the cold winter months, they migrate south and rely on available, but less nutritious food, such as lichen. Increased snowfall during the entire winter in southern areas would result in reindeer having to
a)
return to their summer feeding area
b)
hibernate until the snow have stopped
c)
hunt for organisms such as small rodents
d)
move to other areas to compete for resources
24.
If the primary food source for the whale population in an area is depleted, which will most likely happen?
a)
The whale population will stabilize
b)
The whale population will increase
c)
Competition among the whales will increase
d)
Starvation will cause the whales to become extinct
25.
Wildlife corridors are areas where wildlife can travel between two natural areas that are separated by urban development, such as highways. The development of wildlife corridors is an attempt to decrease the effect of which factor?
a)
excess predators
b)
limited shelter
c)
limited space
d)
excess water
Reset
