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Animal and Plant Interactions

Total questions: 12

Worksheet time: 22mins

Name
Class
Date
1.
What is one observable interaction of how organisms live and survive in their environment?
a)
Grass supplying food and oxygen to a rabbit
b)
A deer providing oxygen and food to a shrub
c)
Rocks and water eroding a hillside environment
d)
A tree providing carbon dioxide for a squirrel
2.
Ecology is the study of how living and nonliving things interact.  Which statement describes the relationship between prairie dogs and the soil?
a)
The prairie dogs provide oxygen for the soil.
b)
The prairie dogs cause the soil to erode.
c)
The soil provides a shelter for the prairie dogs. 
d)
The soil provides nutrients for the prairie dogs.
3.
  The aquarium pictured is a good model of -
a)
a terrarium
b)
an ecosystem
c)
a tide pool
d)
a swamp
4.
Which of the following nonliving elements do all living organisms depend on for survival?
a)
water, grass, air
b)
sun, air, water
c)
soil, sun, rocks
d)
water, rocks, air
5.
How are living and nonliving things connected to one another?
a)
The sun, water, and air provide necessary resources to the plants and animals.
b)
The plants and animals receive oxygen from the Sun, water, and air.
c)
The water and air recycle to help the Sun provide energy to plants and animals.
d)
The animals provide shelter for the plants, enabling them to grow.
6.
In the rainforest, strangler fig seedlings begin growing on other trees, wrapping roots around the host tree.  When the roots reach the ground, the strangler fig takes root and grows larger than the host tree, taking nutrients from the host tree and growing to the height of the rainforest.  How does the strangler Fig interact with its ecosystem in order to survive?
a)
The fig produces its own food and does not use nutrients from other trees.
b)
The rainforest floor does not receive much sunlight,  the fig must compete for sunlight and nutrients.
c)
The fig roots rot in the wet rainforest.
d)
None of the above
7.
In Africa, lions chase and kill their prey.  The lion family eats all it wants and then vultures come and finish the rest.  The interaction between the lions and vultures is an example of -
a)
the lions not being harmed by the relationship and the vultures benefiting
b)
the lions benefiting from the relationship and the vultures being harmed
c)
the lions benefiting by consuming the vultures as food
d)
both the lions and the vultures competing with one another for food
8.
Scientists observe that the deer population is growing and worry there will not be enough plants for the deer during the winter.  Why are the scientists worried about the deer and not the plants?
a)
The deer need plants to eat, but the plants only need sunlight and water.
b)
The deer need water stored in the plants in the winter, but the plants do not.
c)
The plants are nonliving elements.
d)
The plants use oxygen which deer need in order to survive.
9.
Colorado elk need food, water, and air to sustain their population.  Based on this information, what statement is true regarding the elk's ecosystem?
a)
Elk lack dependence on living and nonliving elements in their environment.
b)
Too many factors limit the elk's survival within their ecosystem.
c)
Living organisms are independent of nonliving elements within the ecosystem.
d)
Living and nonliving factors work together to keep the elk's ecosystem functioning.
10.
Dogs and ticks share the same ecosystem.  How do dogs and ticks interact within an ecosystem?
a)
Ticks benefit by feeding on dogs' blood.
b)
Dogs benefit by obtaining nutrients from ticks.
c)
Neither dogs nor ticks benefit from the relationship.
d)
Both dogs and ticks benefit from the relationship.
11.
For protection, hermit crabs use gastropod shells to hide their bodies so that only their heads are visible.  Students research why the population of hermit crabs has been decreasing.  One question they should ask is -
a)
Who has a hermit crab for a pet?
b)
Do hermit crabs make sounds?
c)
What colors are hermit crabs?
d)
Have any changes occurred in their ecosystem?
12.
After observing an outdoor ecosystem, a student writes the following conclusion in a science notebook. "Ecosystems are only made of living things."  Is the student's conclusion logical?
a)
Yes, because ecosystems are made of living things that interact.
b)
No, because ecosystems are made of living and nonliving things that interact.
c)
Yes, because ecosystem is another name for habitat.
d)
No, because an ecosystem has nothing to do with living things.