Juvenile or larval lamprey...

The qualities are characteristics of something...

A guide or value used for comparisons. The _______ is usually considered to be the normal range.

The variety of species in an ecosystem. A measure of how many different types of organism live in an ecosystem.

The total amount of living organisms in an ecosystem

The shape and direction of a river

The components or parts that make up something.

A connection between two things or events

Species that are very significant to local people and play roles in the diet, materials, medicine, cultural and/or spiritual values of communities.

To become rotten or decay and break down into smaller parts.

The breakdown or wearing down of something usually leaves something in a worse state.

A measure of how much matter occupies a given amount of space.

A structure that is used to control the water level and direction of flow in a river or wetland.

Diking wetlands (adding structures that control the flow of water) can degrade the health of the wetland by interfering with natural processes like flooding, wave action, and drought.

Deoxyribonucleic acid - the molecule that plants and animals use as a code to store instuctions for how to make protiens.

The community of living (plants, animals, humans) and non-living things (water, rocks, climate) that interact together in an area.

A shallow-water wetland along the shores of lakes or streams with grasses and plants that are adapted to live in the shallow water.

The measure of saltiness; salinity. From the greek hali meaning salt or lump of salt.

When a collection if stuff is the same, made up of similar components, it is said to be...

The study of the movement and distribution of water in an ecosystem. Wetland _______ focuses on where there is water present at the surface (like in a stream) and beneath the surface (called groundwater).

To cover or flood with water.

A species that is not originally from an ecosystem and causes harm. ______ ______ often grow and reproduce quickly, which hurts the other living beings in the ecosystem and costs money to get rid of.

Logs, branches, sticks, and other wood that falls into the stream.

An organism that is too small to be seen with the eye, such as a bacteria, virus, or algae.

A species that originated somewhere other than the location that it now lives in.

A creek or river that has a constant flow of water throughout a year of normal rainfall.

Areas in a river of relatively slow moving, deep water.

Areas of relatively fast, shallow, and turbulent water in a river, which run over larger gravel or rocks.

A measurement of how much salt is in the water.

Energy released by the sun in the form of sunlight and heat.

The number of species in an ecosystem.

The surface on which an organism lives. The _______ often refers to the material that makes up the ground (soil, gravel, sand, etc.).

The progressive change from one biological community to another over time.

Consisting of parts that are not stuck together.

The percentage of the ground which is covered by plants. Vegetation cover can show what plant species common in an area.