Level 54
Level 55

Concept of Ecosystem


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The sun
The ultimate source of energy for all organisms in life is
parasitism
A relationship in which one organism lives on or inside of another organism and harms it
snake
In the following food chain, which organism is the secondary consumer?
Tertiary consumer
flower (producer) ------>caterpillar (consumer) ------>frog
Decomposers
Mushrooms and other fungi are responsible for breaking down dead organic matter. In the ecosystem, they are called
Algae
Which of the following organisms is an autotroph?
Rock
Which of the following is an abiotic factor in an ecosystem?
wetland
Ecosystem in which water either covers the soil or is present at or near the surface for at least part of the year
meat
Petri is a carnivore. This means he eats only...
producer
a person or company that provides goods or services
All the living things in an area
What are biotic components of an ecosystem?
Level 56