ecosystems Flashcards
What is an ecosystem?
An ecosystem is a community of living organisms interacting with their physical environment.
True or False: Ecosystems can be as small as a pond or as large as a forest.
True
Fill in the blank: The two main components of an ecosystem are ______ and ______.
biotic factors; abiotic factors
What do biotic factors include?
Biotic factors include all living organisms, such as plants, animals, and microorganisms.
What are abiotic factors?
Abiotic factors are the non-living physical and chemical components of an ecosystem, such as water, soil, and temperature.
Name one example of a terrestrial ecosystem.
A forest ecosystem.
What is the primary source of energy for most ecosystems?
The Sun.
What is a food chain?
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
True or False: Decomposers play a crucial role in recycling nutrients in an ecosystem.
True
What is biodiversity?
Biodiversity refers to the variety of life in a particular habitat or ecosystem.
Fill in the blank: An ecosystem’s ability to maintain functionality despite disturbances is known as ______.
resilience
What is the role of producers in an ecosystem?
Producers, such as plants, convert solar energy into chemical energy through photosynthesis.
Name one impact of human activity on ecosystems.
Pollution.
