Exam 14: Estuaries

Why are estuarine environments ideal locations for the development of juveniles of many species of marine animals?

An example of a negative estuary is:

The concentration of nutrients in estuaries causes____ productivity.

What horizontal part of an estuary would you expect to show the greatest species diversity?

Describe the difference between an osmoregulator and an osmoconformer.

An estuary where freshwater inflow is greater than evaporation is called a:

Seawater and fresh water do not mix very well in fjords.

Match the words with those they are most closely associated with. -Fjord

Match the words with those they are most closely associated with. -Bar-Built estuaries

Which factor currently tends to regulate abundance of commercially valuable estuary species such as oysters and crabs?

Mangrove forests predominantly occur in temperate regions.

The energy base on mud flats is:

Match the process/epoch with its most closely associated estuary type. -Fjord

Match the primary producer with its most closely associated herbivore. -Diatoms

The animals that remain isosmotic to the surrounding seawater are called:

Match the plant with its most closely associated substrate attachment method. -Pneumatophores

Match the process with its most closely associated result. -Tidal flats

Seagrasses are usually consumed directly by grazers in estuaries.

All estuaries are diluted by freshwater runoff.

Match the plant with its most closely associated substrate attachment method. -Prop roots