Unit 1
Define what a covalent bond is.
The sharing of electrons
How many major layers of the Earth are there?
4
What is the relationship between a remora fish and a manta ray.
Commensalism
How many levels are in the taxonomic hierarchy?
8
What are the five major oceans?
Atlantic, Indian, Pacific, Southern, Arctic
Whats the relationship between temperature and dissolved oxygen?
As temperature increases, dissolved oxygen decreases.
At what boundary does the mid-ocean ridge form?
Divergent
What type of relationship that occurs between different species?
Interspecific
What are the distinguishing features of an echinoderms?
tube feet and pentaradial symmetry
What are the five zones of the open ocean?
Epipelagic, mesopelagic, bathypelagic, abyssopelagic, benthic.
How is salinity measured?
parts per thousand (ppt)
Define the littoral zone.
The area where land meets sea.
What organism occupies the trophic level 1 in a food web or food chain?
Primary producers or autotrophs.
Define what a niche is.
What are benthos?
Organisms found in benthic zone.
What are the irregular changes in the speed and direction of fluid movement?
Turbulence
A full and new moon.
What are the products of photosynthesis?
Glucose and oxygen
What are the two types of plankton?
Phytoplankton and zooplankton
What are some benefits to coral?
Recreation and tourism, medicine, food, shoreline protection from erosion, protection of coastal properties, ecosystems
What is the relationship between salinity and gas solubility?
As salinity increases, gas solubility increases.
Whats the difference between weathering and erosion?
Weathering- the breaking down of materials into smaller sediments through long-term exposure.
Erosion- the removal of material and transportation away from its location over a period of time.
What happens to 90% of energy from one trophic level to the next?
It gets lost as heat.
What is the economic importance of marcoalgae?
Cooking, food industry, cosmetics and herbal medicines, fertilizer.
What are some environmental factors that affect rocky shores?
Wave action, Light intensity, Aspect, Slope, Nature of substrate, Temperature, Desiccation (extreme drying)