5 Written questions
5 Matching questions
- 9. What is a limiting factor? Give examples.
- 4. What are the levels of organization in an ecosystem?
- 22. What are the two types of succession and how are they different?
- 6. What is ecology?
- 7. What can cause a population to increase? Decrease?
- a -An environmental factor that causes a population to stop growing or to decrease in size
-Natural disaster, space, food, water, weather conditions, population growth, disease
- b Organism-population-community-ecosystem
- c Primary- he series of changes that occur in an area where no soil or organisms exist- takes 100's of years
Secondary- the series of changes that occur in an area where the ecosystem ha been disturbed, but where soil and organisms still exist- takes a couple years
- d I- birth rate and immigration can make a population increase, space
D- limiting factors, food shortages, emigration, and natural disasters can make a population decrease
- e The study of how organisms interact with each other and with their environment
5 Multiple choice questions
- How many people live in one area
- A habitat is an environment that provides the things a specific organism needs to live grow and reproduce
It should provide food, water & shelter and anything else it needs to stay in its habitat
- P- a tick on a dog
C- a bird sitting on a deer
M- a bee pollinating a flower
- Hiding in its shell, claws, being nocturnal, cunning
- Behaviors & physical characteristics that allow organisms to survive in their environment
5 True/False questions
2. What is the difference between biotic and abiotic factors in an ecosystem? → Biotic- the parts of a habitat that are living, or were once living and interact with an organism
Abiotic- the nonliving parts of an organism's habitat
15. Explain the relationship between a predator and prey. Explain how the each population affects the other's population. → Running fast, claws, being nocturnal, stealth
5. How is the ecosystem level different from the other levels? → The ecosystem is formed by the community and all the abiotic factors together
25. What events could lead to secondary succession? → 1. Abandoned field
2. Tree growth begins
4. Climax community
18. What is symbiosis? → The way that animals inter act with each other and live together and at least one benefits