Microorganisms

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What are microorganisms?

Tiny living organisms not visible to the naked eye (correct)

Non-living organisms

Large living organisms

Visible living organisms

Where can microorganisms be found?

Only in soil

Everywhere on Earth (correct)

Only in air

Only in water

What are some of the roles of microorganisms in ecosystems?

Nutrient cycling (correct)

Breakdown of organic matter

Production of antibiotics

Decomposition

What are pathogens?

Harmful microorganisms Signup and view all the answers

How are viruses classified?

Based on their genetic material and the type of host cell they infect Signup and view all the answers

What does biodiversity measure?

Variation at the genetic, species, and ecosystem level Signup and view all the answers

Where is biodiversity usually greater?

In the tropics Signup and view all the answers

What percentage of the world's species does tropical forest ecosystems contain?

About 90% Signup and view all the answers

Where is marine biodiversity usually higher?

Along coasts in the Western Pacific Signup and view all the answers

What is likely to slow the increase of biodiversity in the future?

Deforestation Signup and view all the answers

__________ is the variety and variability of life on Earth.

Biodiversity Signup and view all the answers

Biodiversity is a measure of variation at the __________ level.

genetic, species, and ecosystem Signup and view all the answers

Biodiversity is usually greater in the __________.

tropics Signup and view all the answers

Tropical forest ecosystems cover less than 10% of Earth's surface and contain about __________ of the world's species.

90% Signup and view all the answers

Marine biodiversity is usually higher along coasts in the __________, where sea surface temperature is highest.

Western Pacific Signup and view all the answers

Microorganisms

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