Chapter 1, Biomes and Ecosystems

25 terms by KeatonSmithers

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biodiversity

the diversity of plant and animal life in a particular habitat (or in the world as a whole)

abiotic

nonliving, physical features of the environment, including air, water, sunlight, soil, temperature, and climate

biome

a major biotic community characterized by the dominant forms of plant life and the prevailing climate

terrestrial

operating or living or growing on land

latitude

an imaginary line around the Earth parallel to the equator

elevation

distance of something above a reference point (such as sea level)

climate

the weather in some location averaged over some long period of time

climatograph

combination of a bar and line graph showing annual precipitation and average temperatures

adaptation

the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)

structural adaptation

a physical change of an organism's body having a specific function that contributes to the survival of the organism

physiological adaptations

Changes to an organisms metabolic or internal processes (Example - Bacteria becoming resistant to antibiotics)

behavioural

changes to the behavior of an organism, helping it survive

habitat

the type of environment in which an organism or group normally lives or occurs

nutrients

all the chemical substances that an organism needs to sustain life

photosynthesis

process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches

population

a group of organisms of the same species in a given area

community

(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other

ecological

of or relating to the science of ecology

hierarchy

(n.) any system of things or people arranged or graded one above another in order of rank

symbiosis

relationship in which two species live closely together

mutualism

the relation between two different species of organisms that are interdependent

parasitism

the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)

niche

(ecology) the status of an organism within its environment and community (affecting its survival as a species)

competition

the struggle between organisms to survive in a habitat with limited resources

predation

the act of preying by a predator who kills and eats the prey

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