WorksheetsLife Science Benchmark review
Total questions: 29
Worksheet time: 15mins
Name
Class
Date
1.
How do plants get energy?
a)
by eating other organisms
b)
by absorbing mineral nutrients from soil
c)
through a reaction called chlorophyll
d)
through a process called photosynthesis
2.
How do plants and animals differ?
a)
Unlike animals, plants do not need gases from the air.
b)
Unlike plants, animals do not need gasses from the air.
c)
Unlike animals, plants are able to make their own food.
d)
Unlike plants, animals are able to make their own food.
3.
What is the pigment that captures the energy of sunlight?
a)
chlorophyll
b)
carbon dioxide
c)
oxygen
d)
sugar
4.
What is the original source of energy for organisms in a food chain?
a)
plants
b)
animals
c)
sunlight
d)
consumers
5.
What role does roots play in making food for a plant?
a)
Roots take in water
b)
Roots take in energy
c)
Roots take in carbon dioxide
d)
Roots release oxygen
6.
What is the product of photosynthesis that plants use?
a)
water
b)
carbon dioxide
c)
chlorophyll
d)
sugar
7.
Where does the energy used in photosynthesis come from?
a)
water
b)
sunlight
c)
oxygen
d)
carbon dioxide
8.
Over time a young Robin becomes an adult. What is the process that describes how a Robin gets larger?
a)
Food provides the robin with materials for growth
b)
Food provides the robin with materials for repair.
c)
Food provides energy the robin needs for motion
d)
Food provides energy for the robin to keep its body warm.
9.
Ron falls down and scraped his knee. In a week, his skin is healed. What is the process that describes this use of food?
a)
Food provides Ron's body with material for growth.
b)
Food provides Ron's body with material for repair
c)
Food provides Ron's body with material for motion.
d)
Food provides Ron's body uses to stay warm.
10.
A lion chases a zebra. Which of the following describes the use of food for the lion?
a)
Food provides the lion with materials for growth
b)
Food provides the lion with materials for repair
c)
Food provides energy the lion needs for motion
d)
Food provides gases for the lion to breathe
11.
A deer senses danger and runs quickly away. How is food helping the deer as it runs?
a)
Food is providing the deer with the materials it needs for body repair.
b)
Food is providing the deer with the materials it needs for body growth.
c)
Food is providing the deer with the materials it needs for body warmth.
d)
Food is providing the deer with the materials it needs for body motion
12.
What are three main things plants need to grow?
a)
sunlight, water, soil
b)
sunlight, air, water
c)
sunlight, air, soil
d)
sunlight, soil, nutrients
13.
Grace is growing lettuce in a water solution that includes dissolved nutrients. What is this name of method of growing plants?
a)
producer
b)
photosynthesis
c)
runoff
d)
hydroponics
14.
Name three problems solved by raising plants in nutrient rich water.
a)
shortage of good farmland
b)
drought
c)
poor soil
d)
all of the above
15.
What is the definition of a food chain?
a)
a model of consumers providing energy to producers
b)
a method for growing plants without soil
c)
a process by which plants make food from energy in sunlight
d)
a path by which energy flows from one living thing to another.
16.
Jack states that animals do not depend on energy from the sun for food. How would you respond to this statement?
a)
I would agree with Jack because animals do not make their own food through photosynthesis
b)
I would agree with Jack because animals eat other organisms to get energy
c)
I would disagree with Jack because animals either eat plants or other animals that eat plants
d)
I would disagree with Jack because animals sun themselves to help keep their bodies warm
17.
What does a food web show?
a)
descriptions of how different animals of the same type are related in an environment
b)
pictures of the different populations of plants and animals in an environment
c)
the different paths that energy follows as it moves through an environment
d)
the number of plants and animals present in an environment
18.
What role does fungi and bacteria play in the energy flow of ecosystems?
a)
producers
b)
consumers
c)
decomposers
d)
nutrients
19.
Which of these accurately represents a food chain?
a)
sunlight - spider monkey - red cocoa fruit - jaguar
b)
sunlight - red cocos fruis - spider monkey - jaguar
c)
jaguar - sunlight - red cocoa fruit - spider monkey
d)
red cocoa fruit - jaguar - spider monkey - sunlight
20.
What do decomposers do?
a)
produce food through photosynthesis
b)
break down dead organisms or the wastes of living things
c)
hunt other animals for food
d)
change food energy into heat in an animal's body
21.
What is an Ecosystem?
a)
all the living and non living things that interact in an area
b)
all of the physical characteristics of an area
c)
all the living things that interact in an area
d)
all of the nonliving things that interact in an area
22.
Which of these are physical characteristics of an environment?
a)
interacting plants and animals
b)
interconnected food chains
c)
overlapping food webs
d)
temperature, rainfall, and kind of soil
23.
Which of the following does NOT describe a healthy ecosystem?
a)
an individualincludes many species of different types
b)
all species meet their needs
c)
a stable physical environment
d)
includes invasive species
24.
Which of the following BEST describes an invasive species?
a)
an organism that belongs in a certain place and grows to the point that it harms the environment
b)
an organism that does not belong in a certain place and harms the environment
c)
an organism naturally found in a certain place that harms the environment
d)
a species that helps native species meet their needs
25.
Which of the following are invasive species found in the United States?
a)
prairie grass and buffalo
b)
grasshoppers and pine trees
c)
kudzu plants and red imported fire ants
d)
red imported fire ants and prairie grass
26.
Which is a TRUE description of cycles in an ecosystem?
a)
Producers transfer all of the energy
b)
Nonlving things release waste into the environment
c)
Consumers make use only of matter
d)
Matter moves in cycles and energy is transferred
27.
How do animals get the nitrogen they need?
a)
They breathe it in with oxygen in air.
b)
They eat plants or other animals that eat plants
c)
They absorb nitrogen through their skin
d)
They get nitrogen from the water they drink.
28.
How do plants and animals interact in the carbon dioxide/oxygen cycle?
a)
Plants and animals give off oxygen and carbon dioxide when they decompose
b)
Plants take in carbon dioxide and give off oxygen
c)
Animals breathe in oxygen and give off carbon dioxide
d)
Both B and C
29.
Which sequence BEST describes the nitrogen cycle?
a)
Both plants and animals take in nitrogen from the air. They return nitrogen to the air when they die.
b)
Plants take in nitrogen from the soil. Animals get the nitrogen by eating plants. When organisms die, decomposers return nitrogen to the soil.
c)
Plants take in nitrogen from the soil. Animals take in nitrogen from the air. When plants and animals die, decomposers release the nitrogen to the soil and air.
d)
Plants take in oxygen and produce nitrogen as a by-product of photosynthesis. Animals use nitrogen and give off oxygen as a waste product.
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