One abiotic element of a marine ecosystem is:

The vast majority (over 95%) of aquatic ecosystems are made up of this type of environment.

A biotic element of an aquatic ecosystem is:

This freshwater ecosystem plays a vital role in filtering pollutants, serving as a breeding ground for organisms, and preventing flooding.

This ecosystem is where freshwater and saltwater meet.

The three types of marine ecosystems we discussed in class were:

Intertidal ecosystems are submerged during high tide and exposed during low tide.

Take a look at the photo and decide which answer fits.

Take a look at the photo and decide which answer best fits.

Take a look at the photo and decide which answer best fits.

What ecosystem would you most likely find the humpback whale?

Ocean acidification is a result of an increase of which of the following elements?

Which of the following is an abiotic factor that affects marine ecosystems?

Where is the largest store of carbon contained?

Which process would most likely increase the dissolved oxygen level in a freshwater lake?

What does DO stand for?

True or false: dead zones can occur in both fresh and marine waters around the world.

As water temperature increases what happens to dissolved oxygen levels?

The Photic Zone (Sunlight Zone) houses 90% of life in our oceans. Why?

As saltwater evaporates in a tide pool what happens to the salinity level of that water?

These rocks are:

These barnacles are:

Depending on the surrounding soil and bedrock most lakes, ponds, and streams have a pH of:

Which estuary would you prefer visiting on a field trip?