Ecology Vocab Quiz

According to the food web above, how many different animals does the alligator feed on?

• 1

• 2

• 3

• 4

Answer explanation

The alligator feeds on three different animals according to the food web provided: fish, birds, and small mammals.

Tags

NGSS.MS-LS2-2

What is the term for a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system?

• Biosphere

• Ecosystem

• Biome

• Habitat

Answer explanation

An ecosystem is a community of living organisms interacting with the nonliving components of their environment. It encompasses both biotic and abiotic factors, creating a complex system of relationships.

Tags

NGSS.MS-LS2-3

Which of the following best describes biodiversity?

• The migration patterns of animals across different ecosystems

• The variety of life in a particular habitat or ecosystem

• The number of species that can be found in the ocean

• The process by which organisms adapt to their environment

Answer explanation

Biodiversity refers to the variety of life in a particular habitat or ecosystem, making the second answer choice the correct description.

Tags

NGSS.MS-LS2-5

In a food chain, what is the term for organisms that produce their own food through photosynthesis?

• Herbivores

• Carnivores

• Producers

• Decomposers

Answer explanation

In a food chain, organisms that produce their own food through photosynthesis are called producers. They are able to create their own energy from sunlight.

Tags

NGSS.MS-LS1-6

Which of the following is NOT a type of interaction found within an ecosystem?

• Predation

• Mutualism

• Commensalism

• Isolationism

Answer explanation

Isolationism is NOT a type of interaction found within an ecosystem. Predation, Mutualism, and Commensalism are all examples of interactions that occur in ecosystems.

Tags

NGSS.MS-LS2-2

What is the term for a large community of plants and animals that occupies a distinct region defined by its climate and vegetation?

• Ecosystem

• Habitat

• Biome

• Biosphere

Answer explanation

A biome is a large community of plants and animals occupying a distinct region defined by its climate and vegetation, making it the correct term in this context.

Which of the following best defines a food chain?

• A complex network of all the interrelated food chains in an ecosystem

• A sequence that shows the flow of energy from one organism to another

• A group of organisms competing for the same resources

• A system that recycles nutrients in an ecosystem

Answer explanation

A food chain is a sequence that shows the flow of energy from one organism to another, highlighting the correct choice.

Tags

NGSS.MS-LS2-3

What role do decomposers play in an ecosystem?

• They produce their own food through photosynthesis

• They consume living plants and animals

• They break down dead organisms, returning nutrients to the soil

• They control the population of other species through predation

Answer explanation

Decomposers play a crucial role in an ecosystem by breaking down dead organisms, which helps in returning nutrients to the soil.

Tags

NGSS.MS-LS2-3

Which biome is characterized by low precipitation, extreme temperature variations between day and night, and sparse vegetation?

• Tropical Rainforest

• Desert

• Tundra

• Deciduous Forest

Answer explanation

Desert biome is characterized by low precipitation, extreme temperature variations, and sparse vegetation, making it the correct choice.

What is the term used to describe the variety of ecosystems found within a region?

• Genetic diversity

• Species diversity

• Ecosystem diversity

• Cultural diversity

Answer explanation

Ecosystem diversity refers to the variety of ecosystems found within a region, making it the correct term in this context.