NEW
Font size
WorksheetsEcosystems test Review
Total questions: 34
Worksheet time: 17mins
Plant cell structures called chloroplasts carry out______.
absorption
fertilization
succession
photosynthesis
Where do plants get the carbon dioxide they need to survive?
from the ground
from the air
from water
from other plants
Organisms at the beginning of a food chain are called____.
consumers
predators
omnivores
producers
Which of the following is not likely to be a limiting factor on the number of plants in an ecosystem?
The amount of sunlight.
The amount of space to grow.
The amount of water.
The amount of carnivores.
The special role that organisms have in an ecosystem is its_____.
niche
habitat
producer
omnivore
Look at the picture of the hawk and mouse. What word best describes the hawk?
herbivore
producer
predator
prey
Which is a product of photosynthesis that animals need to breathe?
water
oxygen
carbon dioxide
air
The loss of water through a plant's leaves is _______.
photosynthesis
chlorophyll
transpiration
respiration
Most oxygen exits a plant through the small pores on the leaves called________.
cuticle
cone
stomata
roots
Without vegetation, soil can be blown or washed away. This is because___________.
plants create carbon dioxide
plants roots hold soil together
plants have flowers, whose pollen is sticky
the roots of plants grow straight down
In photosynthesis, the Sun's energy is used to make ______.
sugar
carbon dioxide
water
xylem
What is one example of a secondary consumer?
A giraffe that eats leaves.
A mouse that eats a grasshopper.
An owl that eats a snake.
A bear that eats nuts and berries.
Energy and other materials from dead organisms are recycled back into the soil by _______.
producers
herbivores
omnivores
decomposers
How can someone tell if a living thing is a plant?
If something grows, it must be a plant.
If something is green, it must be a plant.
All plants make their own food using energy from the Sun.
All plants have flowers.
An organism's home is its ________________.
rock
species
habitat
water
The viceroy butterfly looks like the monarch butterfly, which is poisonous for birds to eat. This is an example of__________.
mimicry
migration
camouflage
behavioral adaptation
This animal is a predator. If a predator/consumer is removed from the ecosystem, then________________.
The population of other consumers/predators will likely decrease.
The population of producers will increase.
The population of consumers will likely increase.
No other producers or consumers will increase or decrease.
What chemical found in plants is able to use the energy in sunlight to make food?
cytoplasm
chlorophyll
lactic acid
sulfuric acid
A(n)_______________ shows the relationships among all species in an ecosystem.
environmental change
food web
energy pyramid
food chain
Which is not a living part of an ecosystem?
fungus
Sun
tree
fly
Which of the following is not a structural adaptation for better survival?
Some bird migrate to warmer environments in the winter.
Ducks have webbed feet to swim better.
Pine trees have needle-like leaves to lose less water in dry environments.
Some monkeys have long tails useful for grabbing branches when climbing.
What are organisms that eat producers called?
consumers
decomposers
prey
carnivores
Which of the following describes a lion in an ecosystem?
herbivore and consumer
producer and omnivore
consumer and carnivore
decomposer and omnivore
What gas do plants need to make their own food through photosynthesis?
oxygen
carbon dioxide
helium
neon
Which of the following is not a case of an animal using camouflage?
A nonvenomous snake has markings similar to a venomous snake.
A lion hides in tall grass while hunting.
A walking stick appears similar to other branches in a tree.
The fur of a snowshoe hare turns white during the winter.
Which of the following is an invasive species that is killing many trees in North America?
cane toads
emerald ash borers
barnacles
zebra mussels
Above is a microscope image of stomata. Which would happen to the plant if it did not have stomata on the leaves?
Water and oxygen leaving the plant would not be regulated.
Water and oxygen entering the plant would not be regulated.
Water would be regulated, but not oxygen.
Oxygen would be regulated, but not water.
Mr. Hernandez's science class learned that green plants use sunlight, water, and carbon dioxide to make their own food through photosynthesis. Which best explains why humans can not make their own food?
Humans do not use water.
Humans do not use oxygen.
Humans need extra energy to survive.
Humans do not have leaves.
The job of decomposers is to break down dead plants and animals into useful substances. This job is their___________.
adaptation
skill
niche
habitat
Organisms that are eaten by other animals are called________.
herbivores
carnivores
predators
prey
In what part of a plant does the process of photosynthesis occur?
flower
xylem
leaves
roots
Which is a model of the path that energy in food takes as it moves from one organism to the next?
food web
food chain
photosynthesis
respiration
In this picture of a food chain, which organism is the herbivore?
snake
eagle
grass
caterpillar
when an animal can hide by blending in with its surroundings, it is an example of___________.
migration
a behavioral adaptation
camouflage
mimicry
