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WorksheetsLife Science Unit 6 Review
Total questions: 50
Worksheet time: 13hrs 30mins
What is the definition of a herbivore?
Eats only plants
Eats only animals
Eats both plants and animals
Eats nothing
How do consumers get energy?
From eating other organisms
From photosynthesis
Just from absorbing energy through the sun
From outer space
Which of the following food chains shows one way energy flows in this food web?
grasses and seeds -> owls -> rabbits -> foxes
grasses and seeds -> mice -> owls
rabbits -> owls -> mice
grasses and seeds -> rabbits -> mice
Which organisms in this food web only eat consumers?
Which of the following food chains shows one way energy flows in this food web?
grasses and seeds -> owls -> rabbits -> foxes
grasses and seeds -> mice -> owls
rabbits -> owls -> mice
grasses and seeds -> rabbits -> mice
Classify the producers and consumers.
wildflowers
grass
acorns
butterfly
mouse
grasshopper
rabbit
squirrel
fox
hawk
coyote
deer
Which organisms in this food web compete for rabbits?
foxes and rabbits
owls and foxes
mice and rabbits
grasses and foxes
What would be the likely effect if the grasshopper population in this ecosystem doubled in size?
the mouse population would have more food to eat.
The hawk population would have less food to eat.
The snake population would increase
The snake population would have no natural enemies.
What would most likely happen to the animals in this food web if all the plants died?
The number of rabbits will increase.
The number of rabbits will decrease.
The number of grasshoppers will increase.
The number of grasshoppers will stay the same.
Which organisms in this food web compete for rabbits?
foxes and rabbits
owls and foxes
mice and rabbits
grasses and foxes
What would be the likely effect if the grasshopper population in this ecosystem doubled in size?
the mouse population would have more food to eat.
The hawk population would have less food to eat.
The snake population would increase
The snake population would have no natural enemies.
What would most likely happen to the animals in this food web if all the plants died?
The number of rabbits will increase.
The number of rabbits will decrease.
The number of grasshoppers will increase.
The number of grasshoppers will stay the same.
True or false? All the energy needed for organisms to survive comes directly or indirectly from the sun.
True
False
What is a food chain?
The flow of energy from one thing to another
The way animals eat each other
The way the sun makes everything
How the plants grow
An individual living thing, such as an animal or a plant, is called an
Animal
Plant
Organism
Nutrition
What is a fitting description for this diagram?
What are the living and nonliving things in an environment or area?
predator
producer
ecosystem
abiotic factor
Carnivores that eat freshly dead organisms are called _________.
Select all the biotic factors of an ecosystem.
pond
path
tree
ladybug
wind
Select all the abiotic factors of an ecosystem.
pond
path
tree
ladybug
wind
Which of the following lists only biotic factors?
snapping turtle, water lily, pond
scorpion, saguaro cactus, 120 degree Fahrenheit
otter, Canada goose, iceberg
spider monkey, coral snake, ferns
According to the graph, what material’s recycling would reduce the largest portion of America’s trash?
Metals
paper
plastics
Yard trimmings
1. Which of the following is not a renewable resource?
coal
wind energy
solar energy
water
Humans always have a negative effect on the environment
True
False
According to the graph, what material’s recycling would reduce the largest portion of America’s trash?
Metals
paper
plastics
Yard trimmings
Humans always have a negative effect on the environment.
True
False
When (a) are picked up by runoff, the effects can be harmful because the water that living organisms depend on becomes (b) . Human activities, such as overfishing and dumping pollutants into the ocean, can have a great impact, even causing (c) of some marine life. Artificial reefs have a (d) impact on the (e) because they help create underwater ecosystems. Typically, as human populations increase, the negative effects on Earth increase.
pollutants
polluted
extinction
positive
environment
The warming of the Earth's atmosphere is called...
The Ozone Layer
The Greenhouse Effect
The Carbon Cycle
The El Niño Effect
A good practice to help conserve energy is?
using plastic bags
letting the water run while brushing teeth.
using warm water to wash clothes
turning lights off when not in use.
Many products are made from trees. Which is the BEST way to manage the use of trees?
plant a tree each time one is cut down.
build more lumber mills.
cut down more trees.
reduce the amount of recycled paper.
An endangered species in South Florida is the Miami Blue Butterfly. Which factor has MOST likely caused the population of this butterfly to decline?
the increase of parks.
the decline of seawater.
the increase of homes being built.
decline of predators.
An example of good water management is?
turning off the water when brushing teeth.
having a leaky faucet.
running a dishwasher that is not full.
watering the grass everyday.
In the past hundred years, the overall amount of greenhouse gases in the atmosphere has...
decreased
stayed about the same
increased
By adding more greenhouse gases to the atmosphere, humans are...
decreasing the average temperature of Earth.
not affecting the average temperature of Earth.
increasing the average temperature of Earth.
TRUE OR FALSE: The "Ozone Layer" is a layer of ozone (O3) that protects the Earth from harmful UV radiation.
True
False
This is a simple diagram of the greenhouse effect. According to this diagram, the energy first comes from...
The Sun
The Earth
The Atmosphere
Organisms, like bacteria, insects and worms, that break down waste are called ___
carnivore
herbivores
decomposers
Due to the fact that plants can make their own food using photosynthesis, what are plants considered in food chains?
omnivores
consumbers
producers
carnivores
In a food chain, what breaks down dead material and helps turn it into nutrients in the soil?
producers
decomposers
animals
water
Which choice below shows the correct order of a food chain?
sun -> rabbit -> tomato plant -. decomposer -> hawk
tomato plant -> decomposer -> sun -> rabbit -> hawk
sun -> tomato plant -> rabbit -> hawk -> decomposer
