Unit A: Bio 20 Flashcards
What is the smallest living part of an organism?
Cell
What are groups of cells with similar functions called?
Tissue
What are groups of tissues with similar functions called?
Organ
What is a group of organisms of the same species in the same area called?
Population
What is a group of organ systems called?
Organism
What is a group of organs called?
Organ System
What is a group of different species living in the same area called?
Community
What is a community and its biotic and abiotic components called?
Ecosystem
What is a large area and its organisms called?
Biome
What is a narrow zone around the Earth with life called?
Biosphere
What is the number of species in an ecosystem called?
Biodiversity
Continuous changes within an environment
Dynamic Equilibrium
What is the species that is most sensitive to changes in an ecosystem called?
Indicator Species
Species is close to extinction in all parts of the country or in a large location
Endangered
Species no longer exists in one part of the country but is in others
Extirpated