EOCT #7 - Weebly

EOCT #7 - Weebly

EOCT #8 Ecology 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. 2 This is the most diverse biome: A) B) C) D) Tropical Rainforest Desert Savanna 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) B) C) D) Tropical Rainforest Desert Savanna Tundra 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) B) C) D) They They They They occupy occupy occupy occupy

different different different different niches. habitats. ecosystems communities. 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) B)

C) D) solar radiation. the ozone shield. the greenhouse effect. industrial air pollution. 6 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. 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 elephants skin C) Predation: birds eat the elephant D) All of the above 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

B) animals that live C) animals that live animals that live in in in in deserts the tundra grasslands the rain 9 This biome contains plants that are highly flammable and are prone to fires: A)

B) C) D) Tropical Rainforest Boreal Forest Desert Grasslands 1 0 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. The deer contracted a new disease just after their arrival on the Key 1. 2. 3. 4. 5. 6. 7. 8. 9.

10. D A B A C C A A D C

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