Flashcards on Biomes and Ecosystems

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What is a biome?

A biome is a large geographical area characterized by its distinctive climate, vegetation, and animal life.

Name the major terrestrial biomes.

The major terrestrial biomes include tundra, taiga, temperate deciduous forest, temperate grassland, tropical rainforest, savanna, desert, and chaparral.

What are ecosystems?

Ecosystems are communities of living organisms interacting with each other and their physical environment.

What are the main components of an ecosystem?

The main components of an ecosystem are producers, consumers, and decomposers.

Define biodiversity.

Biodiversity refers to the variety of living organisms in an ecosystem, including the genetic, species, and ecosystem diversity.

What is the water cycle?

The water cycle is the continuous movement of water on, above, and below the Earth's surface through various stages, such as evaporation, condensation, and precipitation.

Describe the carbon cycle.

The carbon cycle is the process by which carbon is exchanged between the atmosphere, oceans, and land through various biological, geological, and physical processes.

What is photosynthesis?

Photosynthesis is the process by which green plants and some other organisms use sunlight, carbon dioxide, and water to produce glucose (chemical energy) and oxygen.

Give an example of a freshwater biome.

An example of a freshwater biome is a lake.

Explain the concept of ecological succession.

Ecological succession is the gradual process of change in the species composition in an ecosystem over time.

What is the importance of wetlands in an ecosystem?

Wetlands play a crucial role in maintaining water quality, enhancing biodiversity, and providing habitats for numerous species.

Differentiate between a food chain and a food web.

A food chain is a linear sequence of organisms where each organism feeds on the one before it, while a food web consists of interconnected food chains and shows multiple feeding relationships in an ecosystem.

What is the role of decomposers in an ecosystem?

Decomposers break down dead organisms and organic matter, releasing nutrients back into the ecosystem for reuse by other organisms.

How does deforestation impact an ecosystem?

Deforestation leads to habitat loss, soil erosion, climate change, and a decrease in biodiversity.

Discuss the concept of a keystone species in an ecosystem.

A keystone species is a species that has a disproportionately large impact on its environment relative to its abundance, playing a critical role in maintaining the structure and functioning of an ecosystem.

What is a biome?

A biome is a large geographical area characterized by its distinctive climate, vegetation, and animal life.

Name the major terrestrial biomes.

The major terrestrial biomes include tundra, taiga, temperate deciduous forest, temperate grassland, tropical rainforest, savanna, desert, and chaparral.

What are ecosystems?

Ecosystems are communities of living organisms interacting with each other and their physical environment.

What are the main components of an ecosystem?

The main components of an ecosystem are producers, consumers, and decomposers.

Define biodiversity.

Biodiversity refers to the variety of living organisms in an ecosystem, including the genetic, species, and ecosystem diversity.

What is the water cycle?

The water cycle is the continuous movement of water on, above, and below the Earth's surface through various stages, such as evaporation, condensation, and precipitation.

Describe the carbon cycle.

The carbon cycle is the process by which carbon is exchanged between the atmosphere, oceans, and land through various biological, geological, and physical processes.

What is photosynthesis?

Photosynthesis is the process by which green plants and some other organisms use sunlight, carbon dioxide, and water to produce glucose (chemical energy) and oxygen.

Give an example of a freshwater biome.

An example of a freshwater biome is a lake.

Explain the concept of ecological succession.

Ecological succession is the gradual process of change in the species composition in an ecosystem over time.

What is the importance of wetlands in an ecosystem?

Wetlands play a crucial role in maintaining water quality, enhancing biodiversity, and providing habitats for numerous species.

Differentiate between a food chain and a food web.

A food chain is a linear sequence of organisms where each organism feeds on the one before it, while a food web consists of interconnected food chains and shows multiple feeding relationships in an ecosystem.

What is the role of decomposers in an ecosystem?

Decomposers break down dead organisms and organic matter, releasing nutrients back into the ecosystem for reuse by other organisms.

How does deforestation impact an ecosystem?

Deforestation leads to habitat loss, soil erosion, climate change, and a decrease in biodiversity.

Discuss the concept of a keystone species in an ecosystem.

A keystone species is a species that has a disproportionately large impact on its environment relative to its abundance, playing a critical role in maintaining the structure and functioning of an ecosystem.

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