
03 - Coastal Ecosystems
Presentation
•
Science
•
12th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Rachel von Bodungen
FREE Resource
17 Slides • 18 Questions
1
2
3
Multiple Choice
4
Multiple Choice
Which of the following is NOT a characteristic of wetlands?
Habitats that require a wet habitat in order to live.
Soils that have characteristics associated with flooded or saturated conditions.
Predominantly dry conditions with occasional flooding.
A gray color.
5
Multiple Choice
6
Open Ended
Think about how energy decreases as we go higher up in the energy pyramid. Why do you think there can't be more trophic levels above the shark?
7
8
9
10
11
Multiple Choice
The majority of marine organisms are found in
deep ocean waters
shallow, coastal waters
fisheries
none of the above
12
13
14
Multiple Select
What are the characteristics of tidal flats and coastal lagoons?
Tidal flats are freshwater wetlands
Coastal lagoons are separated from the ocean
Tidal flats are not always submerged
Coastal lagoons are found only in tropical regions
15
Multiple Choice
16
Multiple Select
What are the characteristics of estuaries and deltas?
(2)
Estuaries are freshwater bodies
Deltas are formed by deposited sediment
Estuaries mix river and sea water
Deltas are found at the ocean's center
17
Multiple Choice
The map has four water resources labeled W-Z.. Which water resource contains nutrient-rich brackish water?
water resource W
water resource X
water resource Y
water resource Z
18
19
20
21
Multiple Choice
What happens to the current of rivers as they reach the ocean?
It speeds up
It slows down
It remains the same
It reverses direction
22
Multiple Choice
What happens to sediment when it reaches the shallow ocean shore?
It is carried away by the current
It is deposited
It sinks to the bottom
It evaporates
23
Multiple Choice
The satellite image shows the Selenga River flowing into Lake Baikal in Russia. The river flows from the southeast and empties into the lake in the northern part of the image.
Where the river enters the lake, it branches into many channels and has deposited a large, fan-shaped feature extending out from the shore (marked by "X"). What is this feature?
a delta
a barrier island
a wave-cut terrace
a sand dune
24
25
26
27
Multiple Choice
What are salt marshes dominated by?
Trees
Herbs and grasses
Rocks
Deserts
28
Multiple Choice
What do seagrass beds contain?
Submerged plants
Coral reefs
Fish
Seaweed
29
30
Multiple Choice
What is the primary function of the roots of mangrove trees?
To absorb nutrients
To filter salt
To provide shade
To anchor the soil
31
32
33
Multiple Choice
What percentage of wave energy do mangrove forests dissipate?
50%
70%
90%
100%
34
Multiple Select
How can an algal bloom (eutrophication) lead to a decrease in dissolved oxygen? Select all that apply. [2]
Algae is a heterotroph and consumes more oxygen than it produces.
Decreased light penetration limits photosynthesis below the surface.
Bacteria consume oxygen as they decompose dead algae and other organisms.
Decomposes that would have produced oxygen are outcompeted by algae.
35
Open Ended
Evaluate how coastal ecosystems protect shorelines and support high biodiversity.
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