lecture 4 part 2

Question 1

Littoral zone (interdial zone)

Answer 1

Shallow shoreline under influence of tides

Question 2

Neritic zone

Answer 2

Coast to margin of continental shelf (to 200 m deep) influence of currents

Question 3

Oceanic zone

Answer 3

offshore of neritic zone (beyond continental shelf), divided into several depth zones

Question 4

Benthic zone

Answer 4

In contact with the ocean bottom

Question 5

Photic zone

Answer 5

Where light penetrates to

Question 6

Aphotic zone

Answer 6

Where light does not penetrate

Question 7

Estuary

Answer 7

An estuary forms where a river meets the ocean and freshwater mixes with salt water. Water flow fluctuates daily and seasonally which alters salinity. Species have adaptations that allow them to cope with salinity changes.

Question 8

Lotic

Answer 8

Refers to flowing water e.g. rivers, streams etc.

Question 9

what is FPOM

Answer 9

Fine particulate organic matter, comes from small rivers (streams 1-3) and is a a significant source of energy in medium streams (4-6)

Question 10

What does Lentic mean?

Answer 10

Still water e.g. lakes and ponds

Question 11

Epilimnion

Answer 11

In summer that is the top region of water body (eg lake)

Trick: epi like epic which is the top

Question 12

Metalmnion

Answer 12

In summer that is the middle region of the eater body

Question 13

Hypolimnion

Answer 13

In summer that the lower region of water bbody where all the nutrients fall but oxygen is used up