1. EOCT #8
Ecology

2. 1
The graph shown above is from one of the most well-known and on-going ecological studies ever performed. Isle Royal National Park, an island on Lake Superior, keeps data of populations of wolves and moose living there. The moose are a major food source for the wolves. Based on the graph, how does the moose population affect the population of wolves? A)
As moose populations increase, wolf populations immediately increase. B)
As wolf population falls, moose populations fall with a delayed effect. C)
Moose populations don't really show any relationship to wolf carrying capacity. D)
The wolf population rises as moose populations increase, but with a delayed effect.

3. This is the most diverse biome:2
This is the most diverse biome: A)
Tropical Rainforest B)
Desert C)
Savanna D)
Tundra

4. A) Tropical Rainforest B) Desert C) Savanna D) Tundra 3
The aloe plant has thick, water-filled leaves covered with spikes. The flowers are high on a stalk, so that pollen can be quickly and easily dispersed. What biome is the aloe BEST adapted for? A)
Tropical Rainforest B)
Desert C)
Savanna D)
Tundra

5. They occupy different niches. B) They occupy different habitats. C) 4
One parrot species that feeds on large seeds nests in the same tree as a parakeet that feeds on small seeds. How are the birds able to coexist? A)
They occupy different niches. B)
They occupy different habitats. C)
They occupy different ecosystems D)
They occupy different communities.

6. 5
Excess carbon gases released into the atmosphere cause additional radiation to be retained and Earth's average temperature to increase. This phenomenon is known as A)
solar radiation. B)
the ozone shield. C)
the greenhouse effect. D)
industrial air pollution.

7. 6 A) the rapid extinction of many species on Earth. B)
In recent decades rainforests throughout the world have been cut down for various reasons. In some cases the wood has been used; in others, the land. The deforestation of Earth's rainforests has resulted in A)
the rapid extinction of many species on Earth. B)
primary succession and evolution of new habitats. C)
habitat destruction and the overall decrease in biodiversity. D)
secondary succession and the development of new, successful ecosystems.

8. 7
What type of relationship MOST LIKELY exists between the birds and the elephant? A)
Mutualism: birds eat pests & elephant is relieved of pests B)
Parasitism: birds eat the elephant’s skin C)
Predation: birds eat the elephant D)
All of the above

9. 8
Which group of animals would be served best by the following adaptations?
* Large ears to dissipate heat.
* Kidneys adapted to check water loss.
* A nocturnal lifestyle A)
animals that live in deserts B)
animals that live in the tundra C)
animals that live in grasslands D)
animals that live in the rain forest

10. 9
This biome contains plants that are highly flammable and are prone to fires: A)
Tropical Rainforest B)
Boreal Forest C)
Desert D)
Grasslands

11. 10
Which of the following situations MOST likely produced this population of deer on WallaWalla Island? A)
Deer predators were removed from the island before the deer arrived. B)
The deer overgrazed the grasses immediately upon their arrival to the island. C)
After a period of time the deer adjusted to the available food on the island. D)
The deer contracted a new disease just after their arrival on the island.

12. Key D A B C