Studied by 1 person
What is the basic unit of life?
The cell.
What is a group of similar cells that perform a specific function called?
Tissue.
What are two or more types of tissues working together called?
Organ.
What is a collection of organs that work together to perform a specific function in an organism?
Organ system.
What is the highest level of biological organization?
Organism.
What do you call a group of organisms of the same species living in a specific area?
Population.
What is a community in biology?
A group of different populations that live together in a defined area.
What do you call the interaction of different communities in a specific area?
Ecosystem.
What is the term for the living (biotic) and non-living (abiotic) components of an ecosystem?
Environment.
What is the practice of studying organisms in their environments called?
Ecology.
What is the biosphere?
The global sum of all ecosystems; the zone of life on Earth.
What type of biological organization includes all ecosystems?
Biosphere.
What do we call organisms that can make their own food?
Autotrophs.
What are organisms that consume other organisms for energy called?
Heterotrophs.
What is cellular differentiation?
The process by which a cell develops into a specialized cell type.
What is homeostasis?
The ability to maintain a stable internal environment despite changes in external conditions.
What is an organelle?
A specialized subunit within a cell that has a specific function.
Which organelle is known as the powerhouse of the cell?
Mitochondria.
What is the function of ribosomes?
To synthesize proteins.
What is the role of the cell membrane?
To protect the cell and regulate the movement of substances in and out.
What is the genetic material in all living organisms called?
DNA.
What is the process by which organisms change over time as a result of natural selection?
Evolution.
What is a species?
A group of similar organisms that can breed and produce fertile offspring.
What is biodiversity?
The variety of life in the world or in a particular habitat or ecosystem.
What do you call the hierarchical structure of biological organization from smallest to largest?
Cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
What are carnivores?
Organisms that primarily eat meat.
What are herbivores?
Organisms that primarily eat plants.
What is the term for organisms that can live in extreme environments?
Extremophiles.
What is the biological importance of decomposers?
They break down dead organic material and recycle nutrients back into the ecosystem.
What is symbiosis?
A close relationship between two different species.
What are the three types of symbiotic relationships?
Mutualism, commensalism, and parasitism.
What is the difference between a food chain and a food web?
A food chain shows a linear path of energy flow, while a food web illustrates a complex network of interrelated food chains.
What is natural selection?
The process where organisms with favorable traits are more likely to reproduce.
What is an ecosystem's carrying capacity?
The maximum number of individuals of a species that an environment can support.
