Tides
Intertidal Zones
Oyster reefs
Salmon
Random
100

The causes of Earth's tides.

What are the Sun and Moons gravitational pull. 

100

The amount of salt in the water.

What is salinity?
100

Oysters prefer to live and grow on these types of surfaces.

What are hard/firm surfaces?

100

How species of fish migrated over the Rocky Mountains (Continental Divide) 

What is.... no one knows for sure?

100

How many types of fish are native to Lake Crescent?

What is two?

200

Low tide occurs this number of times per day.

What is two?

200
The four zones of the intertidal zone.

What are spray zone, high intertidal, medium intertidal, and low intertidal?

200
Some of the organisms that feed on oysters

What are algae, dolphins, fish, crustaceans, mollusks, sea anenomes, and sea birds.  And seat otters!

200

Where anadromus fish (such as the salmon) are born.

What is fresh water?

200

One type of ecosystem that benefits from oyster reefs. 

What are mangroves, sea grasses, and salt marshes?

300

The two different types of high tides.

What are spring (king) and neap tides?

300

Organisms that live in the intertidal zone.

What are crabs, sea stars, kelp, sand dollars, clams, barnacles, mussels, oysters, algae, and snails?

300

Economic benefits of oyster reefs.

What are tourism, commercial fishing, education, research, and restoration?

300

Where anadromus fish (such as the salmon) spend most of their adult lives.

What is salt water?

300

This is formed when the tide goes out, leaving a large puddle of water for sea animals to take refuge in.

What is a tide pool?

400

True or false, high tides and low tides are always the same elevation.

What is false?

400

The number of different species in an ecosystem.

What is biodiversity?

400

One major benefit that oysters provide to the ecosystems around them.

What are water filtering and erosion filtering.

400

A major event (such as landslides, droughts, hurricanes, and forest fires) that can drastically change the population of a species.

What is a stochastic event?

400

These brackets show the relationships between various species of organisms.

What is the phylogenetic tree?

500

Activities that rely on the tides.

What are fishing, boating, research on beaches, etc?

500

The slope of an intertidal zone.

What is gradient?

500

Cultural benefits from oyster reefs.

What are: artistic, sense of place, history, heritage, and fesitvals?

500

This is the only species of Pacific Salmon that doesn't live on the coasts of North America.

What is the Masu Salmon? 

500

This is what left of a given species after an event almost wipes them out.

What is a relic species? (it was in the packet you were supposed to read)

M
e
n
u