Biology 1st Semester Test

Front

What is the area inhabited by a population called?

Back

Geographic range

Front

What is the term for when one species outcompetes another for a niche, leading to the latter's extinction?

Back

Competitive exclusion

Front

Who formulated the theory of evolution through natural selection?

Back

Charles Darwin

Front

What method do animal breeders use to enhance desirable traits in livestock?

Back

Artificial selection

Front

Which of the following does NOT provide evidence for evolution: Fossil record, Geographic distribution, Homologous structures, or Function of structures?

Back

Function of structures in an individual organism

Front

What is the term for the number of individuals per unit area in a population?

Back

Population density

Front

What is the process called when species evolve to fill different niches in the same environment?

Back

Adaptive radiation

Front

What is the term for a symbiotic relationship where both species benefit?

Back

Mutualism

Front

What is the term for the variety of life in the world or in a particular habitat?

Back

Biodiversity

Front

What is the term for the gradual change in species over time?

Back

Evolution