Benthic Environment Flashcards
How many percent of known ocean species live on the ocean floor?
98 percent
How many known marine species are there?
250,000
Rocky shorelines teem with organisms that live on the surface of the ocean floor. These organisms are known as?
epifauna
A typical rocky shore can be divided into two zones, which are?
Spray Zone and Intertidal Zone
What are the subzones of the intertidal zone?
High tide zone, middle tide zone, and low tide zone
Which intertidal zone is relatively dry and is only covered by the highest tide?
High tide zone
Which is alternately covered by all high tides and exposed during all low tides?
Middle tide zone
Which is usually wet but is exposed during the lowest low tides?
Low tide zone
The greatest animal diversity is at which latitude?
Lower (tropical) latitudes
The greatest diversity of algae is at which latitude?
Greater, mid-latitudes
The spray zone is also known as the what?
Supralittoral zone
What zone hosts few species of algae and many species that have shells to maintain moisture?
Supralittoral (spray) zone
Rock lice, sea roach, periwinkle snail, limpet, and rock louse are found in which zone?
Spray Zone
What is the genus of rock louse?
Ligia
What is the genus of periwinkle snail?
Littorina
