Biological Classification Flashcards

Vocabulary flashcards based on the lecture notes about biological classification, focusing on bacteria, archaebacteria, eubacteria, and protista.

Autotrophic Bacteria

Bacteria that synthesize their own food from inorganic substrates.

Heterotrophic Bacteria

Bacteria that depend on other organisms or dead organic matter for food.

Archaebacteria

Bacteria living in harsh habitats like salty areas, hot springs, and marshy areas.

Halophiles

Archaebacteria living in extreme salty areas.

Thermoacidophiles

Archaebacteria living in hot springs.

Methanogens

Archaebacteria living in marshy areas and producing methane.

Eubacteria

Also known as 'true bacteria,' characterized by a rigid cell wall and flagellum if motile.

Cyanobacteria

Photosynthetic autotrophs with chlorophyll a, similar to green plants.

Heterocysts

Specialized cells in cyanobacteria that fix atmospheric nitrogen.

Chemosynthetic Autotrophic Bacteria

Bacteria that oxidize inorganic substances for ATP production and recycle nutrients.

Mycoplasma

Organisms that completely lack a cell wall.

Protista

All single-celled eukaryotes are placed under this kingdom.

Chrysophytes

Protists including diatoms and golden algae (desmids).

Plankton

Microscopic organisms that float passively in water currents.

Diatomaceous Earth

Accumulation of diatom cell wall deposits over billions of years.