WorksheetsEcosystems Ocean Food Chain and Web
Total questions: 15
Worksheet time: 15mins
the path that energy takes from one organism to another in the form of food.
food chain
decomposer
consumer
aquatic
the food chains that overlap in an ecosystem
food chain
decomposer
food web
aquatic
Photosynthesis occurs in the world's ocean mainly by these microorganisms.
phytoplankton
oxygen
fish
bears
All energy in all ecosystems on earth first comes from
the sun
plants
water
animals
Which statement below best describes an ecosystem?
an area with lots of plants and animals
a natural environment
an area made of living and non-living things
an animal's habitat
What is the producer's role in a food chain?
To make their own food using the sun's energy
To hunt other animals for food.
to break down waste and dead plants
to eat both plants and animals
What model is used to show how food chains connect to one another?
energy pyramid
food web
ecosystem drawing
herbivore
a living thing that gets energy by breaking down wastes and dead plants and animals
producers
consumers
decomposers
What is the primary source of energy in an ocean food chain?
The sun
Phytoplankton
Fish
Decomposers
Which organism is at the base of most ocean food chains?
Phytoplankton
Zooplankton
Fish
Sharks
In an ocean ecosystem, which of the following is a primary consumer?
Zooplankton
Phytoplankton
Sharks
Seagulls
What role do decomposers play in the ocean food web?
Break down dead organisms
Produce energy from sunlight
Consume primary producers
Top predators
Which of the following best describes a food web?
A network of interconnected food chains
A single linear path of energy flow
A group of producers
A type of ecosystem
How does overfishing affect the ocean food web?
Disrupts the balance of the ecosystem
Increases the number of predators
Decreases the amount of sunlight
Has no effect
What is the role of phytoplankton in the ocean ecosystem?
Produce oxygen and serve as a food source
Decompose organic material
Consume small fish
Act as top predators
