Ecosystems & Population Change Flashcards
A population is?
A number of organisms of the same species in an area
A species is?
Organisms that can produce fertile offspring
A community is?
A number of populations in an area
An ecosystem is?
A community and it’s chemical and physical properties (abiotic)
What is the biosphere?
All of earths ecosystems and their interactions
Taxonomy is?
The classifying of living things
What is climate?
The average weather conditions in a region
What is a biome?
A group of ecosystems in a specific region that has a particular combinations of biotic and abiotic factors. ex. Tundra, rainforest
What is the range of a species or population?
The area where the species or population can be found
What is an ecological niche?
An organisms specific role in the community
What is natural selection?
The process where characteristics of a population change because individuals inherit certain traits that best suit the conditions
What is the study of fossils?
Paleontology
What is a homologous structure?
Structures that have similar structural elements and origins but may have a different function
What is speciation?
The formation of a new species
