Ch. 3 Vocab Flashcards
Species
the entirety of a population that can interbreed and produce fertile offspring
Population
a certain number of individuals that make up the interbreeding, reproducing group
Biotic community or biota
is the grouping or assemblage of plants, animals, and microbes
Abiotic
is the nonliving, chemical, and physical factors, such as the amount of water or moisture present, the climate, the salinity, or the type of soil in the area
Ecosystems
a grouping of plants, animals, and microbes occupying an explicit unit of space and interacting with each other and their environment. Ecosystems are functional units of sustainable life on Earth
Ecotone
a transitional area between two adjacent ecosystems that has characteristics of both
Landscapes
a group of interacting ecosystems. Landscape ecology is the science that studies the interactions among ecosystems
Biomes
similar or related ecosystems or landscapes that are often grouped together. (Ex: desert, tropical rain forest, tundra, etc.)
Biosphere
all species and physical factors on Earth functioning as one unified ecosystem
Law of limiting factors
Every species has an optimal range, zones of stress, and limits of tolerance with respect to every abiotic factor
Optimum
a certain level at which the organisms do best
Range of tolerance
the entire span that allows any growth at all
Zones of stress
region between the optimal range and the high or low limits of tolerance
Limiting factor
A factor that limits growth
Habitat
refers to the kind of place where a species is biologically adapted to live