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WorksheetsLife and Earth Science Review
Total questions: 43
Worksheet time: 32mins
All of these are plants basic needs EXCEPT:
soil/nutrients
water
oxygen
moderate temperature
In photosynthesis, light energy is converted to...
solar energy
nuclear energy
chemical energy
radiant energy
Which process converts sunlight into chemical energy?
respiration
photosynthesis
fermentation
digestion
What is another name for a producer?
heterotroph
consumer
autotroph
decomposer
The gas released from plants is
carbon dioxide
hydrogen
nitrogen
oxygen
What are the two reactants that are used in the process of photosynthesis?
water and carbon dioxide
glucose and water
carbon dioxide and oxygen
oxygen and water
Photosynthesis takes place in which part of the plant?
roots
stem
leaves
flowers
Two products that are produced in the process of photosynthesis
water and carbon dioxide
glucose and oxygen
carbon dioxide and oxygen
oxygen and water
What are the layers of tropical rainforests?
canopy
lateral section
understory
forest floor
Other names for grassland?
Savannah
Desert
Taiga
Prairie
True or false... resources in grasslands are spread out
True
false
Coral reefs belong in which biome?
estuary
marine
fresh water
taiga
If a new consumer is introduced to a food chain and competes directly with the secondary consumer, what will happen first?
The tertiary consumer population will increase
The original secondary consumer population will decrease
The producer population will increase
The primary consumer population will increase
Due to animal adaptations over time, most animals that live in ___________ are white.
deserts
tropical rainforests
tundras
grasslands
nonliving part of an ecosystem
biotic factor
biome
abiotic factor
atmosphere
living part of an ecosystem
biotic factor
biome
abiotic factor
atmosphere
mix of gases surrounding a planet
biotic factor
biome
abiotic factor
atmosphere
geographic area that contains ecosystems with similar biotic and abiotic features
biotic factor
biome
abiotic factor
atmosphere
Which of the following best describes the tropical rainforests?
hot and wet all year with good soils
hot and dry all year with poor soils
hot and wet all year with poor soils
cold and wet with good soils
What is deciduous woodland?
Woodland where the trees lose their leaves in winter
Woodland where the trees lose their leaves in summer
Woodland where the trees never lose their leaves
Woodland where the trees never have leaves
Which of the following is an abiotic factor in a biome?
the kinds of trees
the number of insect species
average temperature
mosses and algae
Which of the following is a biotic factor?
the quality of soil
the amount of rainfall
the presence of ponds and lakes
the kinds of grasses
One important abiotic factor in marine ecosystems is the
amount of plankton
water depth
kinds of algae
size of animals
Has many scattered clumps of trees and seasonal rains, has many grasses and few trees
tundra
coniferous forest (taiga)
prairie
deciduous forest
has trees that produce seeds in cones
tundra
coniferous forest (taiga)
prairie
deciduous forest
has permafrost
tundra
coniferous forest (taiga)
prairie
deciduous forest
has trees that lose their leaves in the winter
tundra
desert
deciduous forest
tropical rainforest
has greatest diversity of plants and animals
tundra
desert
deciduous forest
tropical rainforest
has organisms with special adaptations to hot and dry climate
tundra
desert
deciduous forest
tropical rainforest
true or false: food chains show several food webs overlapping
true
false
Which level has the MOST energy?
tertiary consumer
producer
secondary consumer
primary consumer
Organisms that compete have the same __________ in an ecosystem
job
niche
energy level
predators
Invasive species...
usually have no natural predators
are introduced either intentionally or on accident
harm the native species
none of the answers are correct
all of the answers are correct
What are phytoplankton?
consumer
producer
decomposer
scavenger
Fill in the blank: A food web ___________
is the same as a food chain
shows how food chains link together
shows how matter flows in an ecosystem
is only one food chain just drawn differently
In a food chain or food web, the arrows always represent the flow of...
food
matter
life
energy
Which statement identifies the most likely outcome if the rabbit population suddenly reduced?
owls would become extinct because they have no food
snakes would have less food available so their population would decrease
grasshoppers would have less food available so their population would decrease
grasses in the area would die and all of the animals would have to move to another area to survive
Which statement describes the role of the caterpillar in this food chain?
it is a carnivore because it consumes the frog
it is a producer because it uses the sun for energy
it is a herbivore because it eats the flower for energy
it is an omnivore because it consumes the flower and frog
Which of the following is a nonrenewable resource?
wind
water
oil
sunlight
hydroelectric is an alternative source of energy. The down side is that they take up so much room that they...
use all the water from one place
change aquatic ecosystems
use too much power
are very expensive
A watershed is...
a storage building with extra water
an area that funnels water to a common destination
only one path for water to flow
a path for water than can be interconnected to larger paths of water
What is one thing that would NOT be done in preparation for a hurricane?
board up windows and doors to protect from flying debris
secure all doors on the property
go to an area outside where water builds up quickly
make sure everything is tied down and secure so it won't fly away
Living things (animals, plants, trees...) are...
nonrenewable resources
renewable resources
fossil fuels
