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WorksheetsLentic system ecology (Part II)
Total questions: 25
Worksheet time: 50mins
How many ways can a community be assessed in terms of its patterns and diversity?
1
2
3
4
Based the Florida Everglades ecosystem as shown in the photo, when the falcon grabs the fish, that area is considered as _______________.
the smallest realm.
2nd smallest realm.
3rd smallest realm.
4th smallest realm.
In comparison between Community A and Community B, which community has the HIGHER local species richness?
Community A.
Community B.
Neither.
Both.
In this photo, each color represents one species.
In community A, two whites and three blues have been removed. While in community B, all greens (both light and dark), reds, oranges, blues, and purples have been eradicated.
With what has left, which community has the LOWER species richness?
Community A.
Community B.
Neither.
Both.
The photo shows a common food chain in any aquatic ecosystem. Based on this food chain, how does the shape of the pyramid of biomass will look like?
Upright.
Inverted.
Irregular.
Thick-base.
How long can plankton communities survive in a hot-and-wet-season climate?
1 month
3 months
6 months
12 months
Despite having low biomass, phytoplankton has enough energy to provide to the whole food web. How is this possible?
They are small.
They are seasonal.
Their lives are short.
Their energies are limited.
The diagram shows the succession patterns in plankton communities. Which climate does this pattern applicable to?
Tropic
Tropical
Temperate
Temperature
Based on the graph shown, which of the following months has the HIGHEST phytoplankton biomass?
January
April
July
August
In a temperate climate, which of the following seasons is expected to have the LOWEST population of plankton communities?
Winter
Spring
Summer
Autumn
The latitudinal pattern explains how geographical location affects biodiversity. Which of the following countries has the HIGHEST biodiversity?
Alaska.
Indonesia.
New Zealand.
Chile.
Identify which animal's biodiversity is affected by latitudinal patterns.
Fish.
Sparrow.
Butterfly.
All of the above.
What happens to biodiversity as it moves towards the poles?
Increases.
Decreases.
No effect.
None of the above.
There are more than 1000 species of fish on the equator. How many fish species do you expect the South Pole has?
> 500
< 500
> 250
< 250
How many ways can a lake be created naturally?
1
2
3
4
Meteorite strike can cause a _________________ on the bedrock.
Repression
Depression
Oppression
Suppression
Which of the following lake is used to be a stream or river?
Glacial lake
Tectonic lake
Barrier lake
Crater lake
The diagram shows the formation of a ________________ lake.
arctic
mountain
glacial
snow
Tasek Merimbun is the largest freshwater lake in Brunei. Based on this aerial shot of the lake, how do you think Tasek Merimbun was created?
By a volcanic eruption
By a river cut off
By a meteorite strike
By a depression
Based on the diagram, which of the following would be BEST to describe as "a bend in a river channel"?
A
B
C
D
Identify E
Small river
Parent river
Small stream
Parent stream
Choose the correct sequence of the formation of an oxbow lake.
water runoff → sediment build-up → river cut off
water runoff → river cut off → sediment build-up
river cut off → water runoff → sediment build-up
river cut off → sediment build-up → water runoff
When a stream is between two mountains, there is a possibility that the stream can become a/an ______________ lake.
mountain
oxbow
barrier
extinct
How can a lake be extinct naturally?
Construction
Drought
Pollution
Invasion
Natural lake extinction means coming to its end physically. How many ways can this happen?
1
2
3
4
