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Q 1/21
Score 0
When is an environment best able to support a variety of organisms?
30
When the ecosystem is not in equilibrium
When organisms have a variety of food (RESOURCES) and microhabitat
When competition for food is controlled by humans
Q 2/21
Score 0
Compare the two ecosystems shown in the diagrams above. How does the biodiversity of these two ecosystems effect their sustainability?
30
Ecosystem A is more sustainable because more types of organisms can fulfill the same niche.
Ecosystem B is more sustainable because it is less complex of a food web.
Ecosystem B is more sustainable because it is more likely to survive a drought.
21 questions
Q.
When is an environment best able to support a variety of organisms?
1
30 sec
Q.
Compare the two ecosystems shown in the diagrams above. How does the biodiversity of these two ecosystems effect their sustainability?
2
30 sec
Q.
The presence of permafrost (frozen soil) makes little water available in the tundra biome, biodiversity in this ecosystem
3
30 sec
Q.
The rainforest has an extremely high number of plants and animal species because
4
30 sec
Q.
Which of the following are the most important abiotic factors that determine the biodiversity of the organisms that live in a particular biome?
5
30 sec
Q.
Different environments can have similar organism energy roles. Beetles on the forest floor of San Antonio might occupy the same niche as:
6
30 sec
Q.
An extremely cold, dry land biome is the
7
30 sec
Q.
Knowing the type of food consumed by an organism helps to identify the role of the organism in the community. This role is known as its
8
30 sec
Q.
Which microhabitat would be best suited for Blue Jay (bird)?
9
30 sec
Q.
Many more species of plants and animals live in a tropical forest than live in a desert. This difference is most likely due to the fact that,
compared to a tropical forest, a desert
10
30 sec
Q.
Which of the food chains would be possible in this microhabitat?
11
30 sec
Q.
The maintenance of a self-sustaining ecosystem requires a
12
30 sec
Q.
Otters have adaptive traits that allow them to survive by eating shellfish (shrimp) and crustaceans (crabs). If changes in biotic factors of the ecosystem result in reduced number of shellfish and crustaceans, the otters will most likely
13
30 sec
Q.
If all of the frogs in the two ecosystems died due to a virus how would this effect the ecosystems shown in the diagrams above?
14
30 sec
Q.
In the diagram below, which level of organisms contains the greatest amount of available energy?
15
30 sec
Q.
Which ecosystem is more stable?
16
30 sec
Q.
In which biome is this food web most likely found?
17
30 sec
Q.
Which of the following populations begins the flow of energy through the food web?
18
30 sec
Q.
One bird species that feeds on large seeds nests in the same tree as a bird that feeds on small seeds. How are
the birds able to coexist?
19
30 sec
Q.
What biome is known for its large herbivores, few trees, and fire-dependent ecology?
20
30 sec
Q.
Analyze the positions of the harpy eagle and the scarlet macaw in the food web diagram. Which statement is correct?
