Ch. 4
All chemical reactions that take place in an organism
What is metabolism?
Cell division resulting in the formation of gametes
What is meiosis?
Organisms that actively swim
What are nektons?
Domain containing the simplest, most primitive forms of life
What is Archaea?
Small, gas-filled bladders found along thallus that allow seaweed to stay upright
What are pneumatocysts?
Molecule that is used to transfer energy between diff molecules
What is ATP?
Diffusion of water across a selectively permeable membrane
What is osmosis?
Calcareous structures formed by cyanobacteria; considered to be oldest fossils on Earth
What are stromatolites?
One of first photosynthetic organisms found in fossil record
What are cyanobacteria?
Products derived from algae
What are phycocolloids?
Group of organisms of different species occurring in the same place
What is a community?
Organism that controls its internal salt concentration
What is an osmoregulator?
Organisms living in close, prolonged contact
The cause of red tides/harmful algal blooms
What are dinoflagellates?
Salt-tolerant land plants
What are halophytes?
The conversion of inorganic carbon into energy-rich organic carbon, usually by photosynthesis
What is carbon fixation?
Grouping of organisms based on their evolutionary relatedness
What is phylogenetics?
Shell of a diatom
What is a frustule?
Bioluminescence is caused by this protein
What is luciferin?
The distribution of species into distinct bands that are parallel with the shore and relative to tidal heights
What is a zonation pattern?
C₆ + H₁₂O₆ + O₂ → CO₂ + H₂O
What is cellular respiration?
Organism whose body temp varies with that of its surroundings
What is a poikilotherm?
Traditionally considered to be most animal-like of protists
What are protozoans?
Common ciliates that build loricas
What are tintinnids?
Algae that is ancestral to land plants
What is green algae?