Download WP Env Aim Sheet

Homework - Environmental Science
Copy the questions. Answer in full sentences on a separate sheet of paper.
If the words are in parenthesis, you don’t need to copy them.
Aim 1: What are the levels of organization within an ecosystem?
Chapter 1 - Sect 1
School Text Pages - 16-21
Chapter 21 - Sect 1
Home Text Pages - 704-708
1.
What is a habitat? What is an ecosystem?
2.
What are biotic factors? List 2 and describe their importance.
3.
What are abiotic factors? List 5 and describe their importance.
4.
List and describe the 4 levels of organization in an ecosystem.
5.
What is ecology and why is it important?
*********************************
Aim 2: What factors determine the size of a population?
Chapter 1 - Sect 2
School Text Pages - 23-28
Chapter 21 - Sect 2
Home Text Pages - 711-718
1.
What is population density? (and why is it important?)
2.
How do scientists determine the size of a population?
3.
What can cause populations to change size?
4.
What are limiting factors that can prevent a population from increasing?
5.
What is the carrying capacity of an area? (Why is it important?)
*********************************
Aim 3: How do living things interact within an ecosystem?
Chapter 1 - Sect 3
School Text Pages - 31-38
1.
Chapter 21 - Sect 3
Home Text Pages - 722-729
What is natural selection? Why is it important?
2.
How do an organism’s adaptations help it to survive?
3.
Why can’t 2 species occupy the same niche?
4.
What is competition and why is it bad for an organism?
5.
What is predation? Give examples.
6.
What are the 3 forms of symbiosis? List and describe them.
*********************************
Aim 4:
What energy roles do organisms play in an ecosystem?
Chapter 2 - Sect 1
School Text Pages - 44-50
Chapter 22 - Sect 1
Home Text Pages - 740-745
1.
List and describe 3 producers.
2.
List and describe 5 consumers.
3.
List and describe 3 decomposers.
4.
What is a food chain or web? How are they important?
5.
Why does the energy level go down as you go up the energy pyramid?
*********************************
Aim 5:
What 4 major cycles enable life on earth to continue?
Chapter 2 - Sect 2
School Text Pages - 51-55
Chapter 22 - Sect 2
Home Text Pages - 746-750
1.
What are the 3 things that make up the water cycle?
2.
What is the carbon-oxygen cycle? (Why is this important?)
3.
What is the nitrogen cycle? (Why is it important?)
4.
How does nature “recycle” matter? (Why is this important?)
*********************************
Aim 6:
How does dispersal of organisms/seeds occur?
Chapter 2 - Sect 3
School Text Pages - 56-59
Chapter 22 - Sect 3
Home Text Pages - 752-755
1.
What is biogeography and why is it important?
2.
What are the 3 means of dispersal (movement) for seeds and organisms?
3.
What are 3 limits of dispersal of a species or seed?
4.
How can humans disperse a species?
5.
What are exotic species? Why can they be harmful to an existing ecosystem?
*********************************
Aim 7:
What determines the type of biome in an area?
Chapter 2 - Sect 4
School Text Pages - 62-73
Chapter 22 - Sect 4
Home Text Pages - 758-769
1.
What determines they type of biome in an area?
2.
What are some adaptations that help an organism to live in the desert?
4.
Why are there no tall trees in the tundra?
4.
What are the 2 most diverse ecosystems on Earth? (1 on land, 1 is aquatic)
*********************************
Aim 8:
What are primary and secondary succession?
Chapter 2 - Sect 5
School Text Pages - 76-78
Chapter 21 - Sect 4
Home Text Pages - 730-733
1.
What is primary succession? (Why is it an important process?)
2.
What is a pioneer species? (Give examples)
3.
What is secondary succession? (Why is it an important process?)
4.
What determines which particular species that will appear during succession?
5.
Give 2 examples of natural disturbances and 2 examples of human disturbances
result in secondary succession.
*********************************
that can