There are many sources of organic material that are categorized as “estuarine detritus.” What can this include? Select all that apply.

How would you characterize a blue crab?   Size: [_________S__________] Habitat: [________H___________]  Behavior: [_________B__________]  Feeding strategy: [_________FS__________]   

In the following figure of a coastal region, where is water moving the fastest?

Rank the following factors in order of their influence on the formation of surface ocean gyres.

You are standing at the beach enjoying a sunset and the sound of the waves, when you notice that there are many birds present. As you look around, you notice a range of behaviors. Given your observations, detailed below, make an educated guess about whether each bird is a coastal seabird or shorebird.  

The following figures depict the water level at low tide (blue squiggly line) for different coastline profiles (black lines), along with a marker indicating the vertical scale (grey). Assume that every region shown has a tidal range of 1 m. Which has the widest intertidal zone?

Humans have put an unprecedented level of stress on coral reef ecosystems, through both direct actions and indirect effects of human decisions. Below, match individual stressors to the specific impact it has on corals. Stressor: A. coastal erosion due to development B. decrease in ocean pH levelsC. warming ocean temperaturesD. overfishing upper trophic levelsE. rapid rise in local sea levels

For each environmental condition listed (left), choose the physical trait that best represents how marine organisms have adapted to that condition (right). 

How does ocean circulation influence the impact of ocean acidification on marine ecosystems? Select all that apply.

There was a heated discussion at the latest town hall meeting, which concluded in a vote to build breakwaters offshore of your favorite local beach. How would you expect the beach to change after construction of the breakwaters is complete? Select all that apply.