Ecosystems
The term for a community of organisms interacting with their physical environment?
What is an ecosystem?
Organisms that obtain energy by consuming other organisms belong to which trophic level
What is the consumer trophic level?
This biome is characterized by low temperatures, permafrost, and treeless landscapes.
What is the tundra biome?
A term that describes the interconnected feeding relationships among various organisms in an ecosystem.
What is a food web?
This term refers to the variety of different species of plants, animals, and microorganisms in an ecosystem.
What is biodiversity?
the term for a self-sustaining unit of interacting organisms and their physical environment?
What is an ecosystem?
the term for organisms that obtain energy directly from sunlight?
What are producers (or autotrophs)?
This biome is characterized by hot and humid conditions, high rainfall, and dense vegetation.
What is the tropical rainforest biome?
the term for an organism that primarily feeds on dead or decaying matter in a food web?
What is a scavenger?
the term for the variety of different ecosystems, species, and genetic variations within a given area?
What is biodiversity?
the primary source of energy in most ecosystems?
What is the sun (or solar energy)?
A trophic level that includes organisms that primarily feed on plant material?
What are herbivores (or primary consumers)?
the term for a large-scale terrestrial biome characterized by grasses, grazing herbivores, and few trees?
What is the savanna biome?
This term describes a relationship between two organisms where one benefits and the other is unaffected.
What is commensalism?
the primary cause of the current rapid loss of biodiversity on Earth?
What is habitat destruction (or habitat loss)?
the process by which green plants and some other organisms convert sunlight into chemical energy?
What is photosynthesis?
The term for organisms that feed on both plants and animals?
What are omnivores?
This biome is known for its extremely low temperatures, strong winds, and a layer of permanently frozen subsoil.
What is the polar/tundra biome?
the term for a diagram that shows the transfer of energy through different organisms in a community?
What is an energy pyramid?
The term for the process of new species evolving and arising over time?
What is speciation?
the name for a group of organisms of the same species living in a particular area?
What is a population?
Organisms at this trophic level primarily feed on dead organic matter.
What are decomposers?
the name for the biome characterized by moderate temperatures, sufficient rainfall, and deciduous trees?
What is the temperate deciduous forest biome?
This term describes the role or position of an organism in a food web.
What is a niche?
the name for the largest-scale level of biodiversity, which encompasses the variety of ecosystems and biomes worldwide?
What is global biodiversity?