Ecology Quiz

What is an ecosystem?

• A community of interacting organisms and their environment

• A single species in its natural habitat

• A type of biome

• A collection of plants only

Answer explanation

An ecosystem is defined as a community of interacting organisms and their environment, highlighting the correct choice.

Which of the following is NOT a characteristic of a tropical rainforest?

• High biodiversity

• Low annual rainfall

• Equatorial climate

• High humidity

Answer explanation

The correct choice is 'Low annual rainfall' because tropical rainforests are known for having high annual rainfall, not low.

What does 'abiotic' refer to?

• Animals in an ecosystem

• Plants in a biome

• Non-living environmental conditions

• Specific types of ecosystems

Answer explanation

Abiotic refers to non-living environmental conditions, such as temperature, sunlight, soil, and water, in an ecosystem.

Which biome is characterized by very high mean annual temperatures and significant rainfall?

• Desert

• Tundra

• Equatorial climate

• Mediterranean vegetation

Answer explanation

The equatorial climate is characterized by very high mean annual temperatures and significant rainfall, making it the correct choice.

Where are tropical rainforests primarily located?

• Between the Tropic of Cancer and Tropic of Capricorn

• North of the Arctic Circle

• In coastal regions only

• On small islands

Answer explanation

Tropical rainforests are primarily located between the Tropic of Cancer and Tropic of Capricorn.

Which of the following is NOT a layer of the rainforest?

• Canopy Layer

• Understory Layer

• Oceanic Layer

• Emergent Layer

Answer explanation

The Oceanic Layer is NOT a layer of the rainforest, making it the correct choice among the given options.

What is the purpose of drip tips on rainforest plants?

• To absorb more sunlight

• To allow rain to drip off the leaf

• To attract insects

• To store nutrients

Answer explanation

Drip tips on rainforest plants serve the purpose of allowing rain to drip off the leaf, preventing water accumulation and potential damage to the plant.

How do buttress roots benefit tall rainforest trees?

• They produce food

• They store water

• They keep trees stable

• They attract animals

Answer explanation

Buttress roots benefit tall rainforest trees by keeping them stable, providing structural support to withstand strong winds and prevent toppling over.

What is one way to protect the Amazon rainforest mentioned in the material?

• Increasing logging activities

• Selective logging and replanting

• Encouraging industrial development

• Reducing educational efforts

Answer explanation

Selective logging and replanting is mentioned as a way to protect the Amazon rainforest by ensuring sustainable use of resources.

Which animal adaptation is described for sloths in the rainforest?

• Strong limbs for climbing

• Moss on their backs for camouflage

• Sticky toes for climbing

• Long beaks for feeding

Answer explanation

The correct adaptation described for sloths in the rainforest is having moss on their backs for camouflage, which helps them blend in with their environment and avoid predators.