Lesson 1: Ecosystems Balanced
Lesson 2: Organism Interaction
Lesson 3: Environment Change
Lesson 4: People Disturbing the Balance
Short Answer
100
How would ecosystems change if the rabbits that were the main prey for foxes became sick and died?
What is the number of foxes would decrease because there is less food for them?
100
What impact does a parasite have on an ecosystem?
What is it hurts one organism and helps another?
100
What could cause an ecosystem to change quickly?
What is any type of natural disaster (Examples: Earthquake, tornado, hurricane, etc.)
100
How can damage from a strip mine be repaired?
What is mining companies can replace the soil and replant trees?
100
What is the relationship between parasites and hosts?
What is parasites live on another organism called a host? The parasite uses the host as a source of food and harms the host.
200
How are a hawk and an owl able to succeed, even though that compete for food?
What is because one hunts at night while the other hunts during the day?
200
What is the process of gradual change from one community of organisms to another?
What is succession?
200
Why did the United States establish National Parks?
What is to preserve natures beauty and habitats of plants and animals?
200
How could a flood affect an entire ecosystem?
What is a flood can completely change an ecosystem quickly? For example, the water might make the grass die, which would mean the animals that eat the grass would move to another place or die, and the animals that prey on those animals would also move or die.
300
Why do chipmunks in the Great Smoky Mountains survive?
What is because their needs are met in that environment?
300
What could scientist tell from a fish fossil found in the desert?
What is the desert was once a body of water (sea, lake, etc.)?
300
What might be a reason that an animal becomes extinct?
What is because its habitat is destroyed, illegal hunting, etc..?
300
What is one way people can disturb the balance of ecosystems?
What is by clearing land to build houses, polluting, etc.?
300
Animals carry away seeds that stick to their fur. How does this relationship helps one organisms but does not help or harm the other?
What is the animals help the plants by dispersing the seeds? This benefits the plants. The seeds do not help or harm the animals.
400
What do all plants and animals need?
What is food, water, living space, shelter, light, and air?
400
How do plants and animals interaction help balance their ecosystem?
What is the plants help produce oxygen and the animals use the oxygen to survive?
400
What might be the effect on an ecosystem of a climate change from rainy to dry?
What is a change in kinds of plants and animals?
400
Describe a balanced ecosystem?
What is no animal or plant drives out other animals or plants and they all work together?
400
Suppose an ant colony lives on a tree. What is the effect of chopping down the tree?
What is the ants' habitat is destroyed, and the balance of that ecosystem is upset?
500
Balanced ecosystems are..........? (Fill in the blank)
What is constantly changing? They are changing because organisms are dying and being born as well as better adapting to their environment.
500
A meadow has too many rabbits, what would help balance this ecosystem?
What is by having more predators such as foxes and/or coyotes eat the rabbits?
500
What is the difference between an animal being extinct and endangered?
What is when a species is extinct the entire species had died out compared to being endangered when there is only a limited amount of that species left and is close to becoming extinct?
500
What is a substance that is very harmful to humans and other organisms?
What is Hazardous Waste?
500
What is being done to help protect the environment?
What is laws require companies to reclaim land after mining it, to properly dispose of waste materials, and to replace resources such as trees and other plants?
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