Quiz 1 Flashcards
Prokaryotic cells
Lack nuclei and membrane bound organelles
Prokaryotes
Organisms composed of prokaryotic cells
In comparison to Eukaryotic cells, PROKARYOTIC cells are ____ & ____
- Smaller
2. Simpler
Single Celled Prokaryote examples:
- Domain bacteria (bacteria & Cyanobacteria)
- Domain Archaea
Nucleoid
Where the genetic material, a singular circular DNA molecule, is located in the cytoplasm
______ represents the most widely distributed and abundant organisms on Earth
Bacteria
Extremophiles
The many bacteria that live in harsh environments (high salinity, high / low temperatures, etc)
Eukaryotic Cells
Cells that possess a nucleus containing DNA and membrane bound organelles
Domain Eukarya consists of how many kingdoms ?
4
- Protista
2 Plantae - Fungi
- Anamelia
Kingdom Protista includes over ______ species of eukaryotic organisms that do not fit into the other Eukaryotic kingdoms
Over 250,000 species
Most Protista are ____ but some are _____ or ___ ___ ___
Most Protista are UNICELLULAR, but some are COLONIAL or SIMPLE MULTICELLULAR ORGANISMS
Some Protists are ____ while others are ____
Some Protists are AUTOTROPHIC while others are HETEROTROPHIC
Most Protista are found in ____ habitats and are ____
Most Protista are found in MOIST habitats and are MICROSCOPIC
Protists are placed into ____ categories
3 categories:
- Algae (plant like)
- Protozoans (animal like)
- Slime molds (fungal like)
The algae are ____eukaryotic organisms and are important ___ and ____
producers
The algae are PHOTOSYNTHETIC eukaryotic organisms and are important FOOD and OXYGEN producers