Biodiversity and Biomes Flashcard Review

Front

What is the photic zone in the ocean?

Back

The photic zone is the upper layer of the ocean where sunlight penetrates, allowing photosynthesis to occur. It is rich in phytoplankton and supports a diverse range of marine life.

Front

Define indicator species.

Back

An indicator species is a species whose status provides information on the overall condition of the ecosystem, often reflecting changes in environmental health.

Front

What are invasive species?

Back

Invasive species are nonnative species that spread widely in a community and cause negative impacts on native species and ecosystems.

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem, such as sunlight, temperature, water, and minerals.

Front

What adaptations might organisms in river biomes have?

Back

Organisms in river biomes may have adaptations such as the ability to resist strong currents, which helps them survive in fast-flowing waters.

Front

What role do phytoplankton play in aquatic ecosystems?

Back

Phytoplankton are primary producers in aquatic ecosystems, converting sunlight into energy through photosynthesis and forming the base of the food web.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the diversity of species, genetic variation, and ecosystem diversity.

Front

Explain the concept of a keystone species.

Back

A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance, often maintaining the structure of the ecosystem.

Front

What is the difference between endemic and invasive species?

Back

Endemic species are native to a specific location and found nowhere else, while invasive species are nonnative and can disrupt local ecosystems.

Front

What is the significance of sunlight in ecosystems?

Back

Sunlight is a crucial abiotic factor that provides energy for photosynthesis, supporting plant growth and, consequently, the entire food web.