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WorksheetsEnvironmental Changes
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
A large amount of dust and ash from a recent volcanic eruption settles in the region. Which of the following organisms that live near the volcano will most likely survive?
a)
Deer
b)
Grasses
c)
Trees
d)
Fish
2.
Insecticides are sprayed over a large area in an effort to reduce the number of grasshoppers that are eating the corn plants. How will this change affect this food chain?
a)
The number of grasshoppers will increase
b)
The number of lizards will increase
c)
The number of lizards and hawks will decrease
d)
The number of grasshoppers, lizards, and hawks will decrease
3.
An organism that cannot adapt to changes in the environment will most likely -
a)
produce more offspring
b)
die
c)
change its traits to survive
d)
store more food
4.
All of the following are examples of environmental changes that can be caused by humans except -
a)
clearing land for housing developments
b)
pesticides
c)
volcanic eruption
d)
pollution
5.
Scientists gathered the following data on lizard populations for several years. The results are shown in the table. Which environmental factor most likely contributes to the change in lizard population?
a)
increase in available water and food
b)
increase in shelter
c)
increase in predators
d)
increase in light
6.
In the 1850s, Thomas Austin released approximately twenty-four rabbits from Europe into the Australian countryside. By 1900, tens of millions of rabbits were found all over the Australian continent. The warm Australian climate, abundant farmland, and crops provided the perfect habitat for the rabbits. The rabbits caused extensive damage to all vegetation, and the lack of plants increased soil erosion. Why were the rabbits so successful?
a)
the rabbits competed with local herbivores for food
b)
the rabbits did not have natural predators
c)
erosion of soil benefited the rabbits
d)
diseases helped decrease rabbit populations
7.
In the 1850s, Thomas Austin released approximately twenty-four rabbits from Europe into the Australian countryside. By 1900, tens of millions of rabbits were found all over the Australian continent. The warm Australian climate, abundant farmland, and crops provided the perfect habitat for the rabbits. The rabbits caused extensive damage to all vegetation, and the lack of plants increased soil erosion. What biotic factor caused the Australian environment to change?
a)
climate
b)
erosion
c)
producers
d)
rabbits
8.
Identify the characteristics that can be inferred about this animals niche as a nocturnal predator.
a)
Hunts live prey at night
Tree dweller
Excellent night vision
Grasping talons
Tree dweller
Excellent night vision
Grasping talons
b)
Hunts live prey at night
Eats Fruit
Tree dweller
Scavenges from dead carcases
Eats Fruit
Tree dweller
Scavenges from dead carcases
c)
Catches most prey at midday
Eats fruit
Tree dweller
Grasping talons
Eats fruit
Tree dweller
Grasping talons
d)
Eats Fruit
Tree dweller
Catches most prey at midday
Grasping talons
Tree dweller
Catches most prey at midday
Grasping talons
9.
A giraffe’s niche is feeding on the canopy of trees. What physical biological trait must the giraffes keep in order to support this niche?
a)
a long neck
b)
small antenna
c)
short ears
d)
large brown spots
10.
This figure shows three warblers with different niches in a spruce tree habitat. The warblers are feeding in different areas of the tree which allows them to avoid _
a)
competing with one another for food
b)
establishing a strict territory from one another
c)
creating a symbiotic relationship with one another
d)
caring for their young by supplying food
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