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- 1. Multiple Choice
In the woods, there are hawks and robins. They both try to occupy the same niche by competing for worms as the only source of food in that same area at that same time. The hawks outcompete the robins, and the robins are forced to leave that area. This is an example of:
Mutualism
The competitive exclusion principle
Commensalism
Neutralism
- 2. Multiple Choice
Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?
Mutualism
Commensalism
Parasitism
Amensalism
- 3. Multiple Choice
In the sea, little fish called pilot fish swim closely to sharks. The pilot fish clean the sharks, and the sharks provide protection for the pilot fish. What type of symbiosis is this?
Mutualism
Commensalism
Parasitism
Amensalism
- 4. Multiple Choice
In an ecosystem, there are populations of deer, rabbits, grass, and pine trees. Suddenly, a fire blazes through the area, which kills all of the populations. As the months go on, new species of grass begin to take root. This attracts animals, and eventually the ecosystem is restored.
What type of ecological succession happened?
Primary succession because it started with rocks.
Primary succession because there was soil to begin with, and plants existed before the disaster.
Secondary succession because it started with rocks.
Secondary succession because there was soil to begin with, and plants existed before the disaster.
- 5. Multiple Choice
In Hawaii, there are volcanoes. Before anything was there, the volcanoes erupted which produced volcanic rock. Lichens were the first species to arrive, and they broke down the rock into soil. Eventually, plants began to grow. Now, the islands are functioning at their climax community.
Is this an example of primary or secondary succession?
Primary succession
Secondary succession
- 6. Multiple Choice
In Hawaii, there are volcanoes. Before anything was there, the volcanoes erupted which produced volcanic rock. Lichens were the first species to arrive, and they broke down the rock into soil. Eventually, plants began to grow. Now, the islands are functioning at their climax community.
What is the pioneer species in this example?
Shrubs
Lichens
Trees
Rock
- 7. Multiple Choice
What is this picture describing?
It is describing direct competition between flamingos and ducks.
It is describing natural selection as it follows the disruptive selection pattern.
It is describing the niche of each bird within the tree.
It is describing abiotic factors of the tundra.
- 8. Multiple Choice
What term describes the range of conditions that an organism can endure and survive in?
Habitat
Niche
Microclimate
Tolerance
- 9. Multiple Choice
In this photo, two lions are fighting for a resource. What type of competition is this?
Interspecific competition
Intraspecific competition
Machismo
Competitive exclusion principle
- 10. Multiple Choice
What is this picture describing?
It is describing how two organisms cannot occupy the same niche in the same place at the same time through the competitive exclusion principle.
It is illustrating the intercompetitive inclusion principle.
It is describing the amount of time it takes for bacteria to reach exponential growth.
It is illustrating the mutualistic relationship between two organisms when they live in the same niche.
- 11. Multiple Choice
This photo is showing the differences in annual rainfall. What best describes why there are differences on this island?
The rainfall is different because people can control the weather on Maui.
There are microclimates on Maui which produce differences in the average amount of rainfall.
The microhabitats provide different shelters for different organisms.
The differences in organism symbioses produces a range of rainfall.
- 12. Multiple Choice
This photo is showing the same ecosystem in 2 scenarios: one with the sea otter and one without the sea otter. In the ecosystem without the sea otter, the ecosystem dynamics are completely changed. What term best describes the sea otter?
Niche
Climax community
Pioneer species
Keystone species
- 13. Multiple Choice
T/F: Biodiversity is a good thing because it provides variety in an ecosystem.
True
False
- 14. Multiple Choice
What term describes the ability of an organism or ecosystem to adapt after a disturbance?
Tolerance
Resilience
Biodiversity
Niche
- 15. Multiple Choice
Many different organisms are competing for the zebra as food. What type of competition is this?
Intraspecific competition
Interspecific competition
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