Plate Tectonics
What is the innermost layer of the Earth called?
Core
What shapes can bacteria be found in?
spheres, spirals, rods
Which term describes the phenomenon of one tectonic plate diving below another?
subduction
What are prokaryotes?
organisms that have no nucleus
Describe the characteristics of continental crust
less dense than oceanic crust and made of granite
What is a characteristic of viruses?
Not made of a cell
Can only reproduce with a living host
Can infect any living marine organism
Continental
infecting a living host
What is the primary composition of the oceanic crust?
basalt
What role do bacteria play in the marine environment?
break down organic material (dead organisms)
What is the process called when the sea floor moves away from mid-ocean ridges which makes new crust
sea-floor spreading
How do viruses replicate?
Infecting a living host
Which layer of the Earth is primarily composed of semi-plastic materials?
Mantle / Asthenosphere
Where can protozoans typically be found
In water, including water inside other organisms
What is a rift?
A crack in the crust
What are protozoans' feeding habits categorized as? (heterotroph, autotroph, etc.)
heterotrophs
What geological feature is formed by the mid-oceanic ridges?
Submarine Volcanic mountains
What microbial organism is considered an important primary producer in a marine environment?
Diatoms
When mid-ocean ridges form a rift, what geological process occurs?
sea-floor spreading
What is the difference between Bacteria and Archaeabacteria?
Archaea bacteria live in extreme environments