Unit 12: Diversity Of Life Flashcards
Acid rain
Rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes.
Air pollution
The presence of a substance in the air that has harmful or poisonous effects.
Algal bloom
A rapid growth of microscopic algae in water ending up in a colored scum on the surface of the water.
Archaea
Archaea is a large group of small microorganisms. They are unicellular and prokarvotic.
Archaebacteria
Archaebacteria is an early stage microorganisr that lives in severe environments like for example a place that is very hot. It also is unicellular.
Bacteria
A biological cell and are contained in prokaryotic microorganisms that have cell walls but lack organelles and a nucleus.
Binomial nomenclature
A naming system in which two names are used: the first indicates the genus, and the second indicates the species.
Carolus Linnaeus
This man was well known for his work in Taxonomy, the naming and classifying of organisms.
Cladogram
A branching diagram showing the cladistic relationship between a number of species.
Class
Class is a taxonomic rank. It fits in between phylum and order.
Classification
When animals and plants are categorized by physical similarities including their class, order, genus, family and soecies.
Dead zone
A place or period of time in which nothing occurs or no life is existent.
Dichotomous key
This key is a tool that allows the user to determine the identity of items in the natural world, like trees and animals.
Classification system
A system used to classify groups of similar things.
Domain
Domain is a taxon of the highest ranking. Organisms can be classified in any of the three domains: Archaea, Bacteria, and Eukarya.