CH 4 Vocabulary Quiz Worksheet

Heritable trait giving an individual advantage over other individuals in population
Selection of desirable genetic trait in population; selective breeding used to enhance trait
Variety of life on Earth
Process by which species change genetically over time
Complete disappearance of a species from Earth
Geographical area composed of different ecosystems; characterized by distinct climate & certain species
Role that species plays in ecosystem; everything that effects its survival & reproduction
Earth’s diverse biological communities: deserts grasslands forests lakes rivers wetlands
Species found in only one area & vulnerable to extinction
Preserved remains/traces of prehistoric organisms
Variety of processes that occur with ecosystems
Variety of genes found in a population or in a species
Scientific manipulation of genes; selecting for desirable traits & eliminating unwanted
Variety in genetic makeup of individuals in population
Separation of population of species into different areas
Area that provides abiotic & biotic factors species needs to survive
Species whose presence/absence indicates quality of environment
Species that preserves an ecosystem by controlling populations of prey animals
Permanent change in DNA sequence within a gene in any cell
Species that naturally originated in given ecosystem & have become suited to live there
Individuals with certain traits more likely to survive & reproduce
Species that migrate into ecosystem or introduced deliberately/accidentally by humans
Halt in exchange of genes due to separation of populations; becoming distinct
Formation of new species from a branch of an existing species through reproductive isolation
Variety of species present in specific ecosystem & their abundance within that ecosystem