Chapter 4 madam raina

Types of estuaries have three which is coastal plain estuaries, tectonic estuaries, bar-built estuaries and...

• Xestanol estuaries

• Bar-build estuaries

• Fjord estuaries

• Chesapeake bay estuaries

Which one is the importance of estuaries?

• Water filtration

• High level of light penetrations

• Circulation of nutrients

• Removes waste products

Mangroves include 3 tree species which is red mangrove, black mangrove and

• Brown mangrove

• Blue mangrove

• Green mangrove

• White mangrove

Physical characteristics of estuaries is...

• Unsubstate

• Substrate and salinity

• Substation and neutrality

• Salinity

Which one is the threats to the mangroves?

• Human settlement

• Animal

• Open burning

• Lowharvesting

A substrate type of bottom of most estuaries is therefore...

• Sand or soft clay

• Hardmud or silt

• Sand or hardmud

• Sand or soft mud

Choose one incorrect statement

• Mangrove can push salt from ocean water out through special salt gland / poges on their leaves

• Mangroves leaf fell cannot hold large volume of water

• Mangroves like africenna germicans excrete excess salt and from crystals on leaf surface

• None of the above

Which is mangroves adaptations system?

• Spreading root system

• Spreading leaf system

• Spreading log system

• None of the above

Why are mangroves important?

• For animal

• Not essential to the food chain

• For roots

• Can filter out pollutions present in run- off

Below is the animal species that life in mangroves except

• Turtle

• Parrot

• Tiger

• Tarpon