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WorksheetsLesson 4 -Ecosystems
Total questions: 11
Worksheet time: 13mins
Name
Class
Date
1.
Plants interact with living and nonliving components in their environment. Which is an interaction with a nonliving element?
a)
Small insects eating the stems of the plants
b)
Humans breathing oxygen released by plants
c)
Bees gathering pollen from flowers of plants
d)
Sandy soil holding the roots of the plants
2.
Pacman frogs live in South America. Some of their traits are listed here.
What habitat change might be harmful for a Pacman frog?
What habitat change might be harmful for a Pacman frog?
a)
Heavy rains in the afternoons over a period of days
b)
An increase in population of several kinds of birds
c)
The introduction of a new species that eats rodents
d)
A change in weather, leading to cooler temperatures
3.
Which adaptation of a cactus is related to its interactions with living organisms in its environment?
a)
roots that grow deep underground to reach water
b)
large, expandable stem that allows it to store water
c)
a waxy, outer coating to prevent the loss of the water
d)
spines to protect it from animals that want its water
4.
Which of the following is a question that could be asked in a scientific investigation of how organisms depend on their environment?
a)
How does temperature affect the formation of soil?
b)
What time of day produces the most precipitation?
c)
What is the effect of rainfall on the growth of grasses?
d)
How fast does water erode different types of rock
5.
All of the following are examples of living things interacting with each other EXCEPT —
a)
birds preying on insects living in the grass
b)
squirrels spreading the seeds of trees by burying them
c)
frogs sleeping in the mud at the bottom of the pond
d)
fish eating plants and other smaller fish
6.
Many animals in an ecosystem depend on other animals for —
a)
air
b)
energy
c)
shelter
d)
water
7.
Plants are interacting directly with another living element of their environment when they are -
a)
soaking up water
b)
absorbing sunlight
c)
attracting insects
d)
taking in carbon dioxide
8.
If sunlight could no longer reach the habitat shown, which of these would happen first?
a)
The fish in the lake would increase.
b)
The deer would get larger
c)
The grass would die
d)
The lake would dry up
9.
Each time animals exhale, they are releasing ___________ gas into the air.
a)
methane
b)
carbon dioxide
c)
carbon monoxide
d)
calcium carbonate
10.
A student observing animals in a park records ways they interact with living and nonliving parts of their environment. All of the following are ways animals interact with nonliving parts of their environment except:
a)
A turtle suns itself on a hollow log.
b)
A bird reacts to morning sunlight by singing.
c)
A rabbit eats grass near the edge of a pond.
d)
A spider crawls under a rock for protection.
11.
Which of the following examples shows how one organism is dependent on another for survival?
a)
A bee collects pollen as it moves from flower to flower.
b)
A sea anemone attaches itself to a hermit crab to feed on its leftover scraps.
c)
A giraffe stretches its neck to eat the leaves off a tall tree.
d)
All of the above
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