5 Written questions
5 Matching questions
- 19. Name three types of symbiosis and explain how each organism is affected.
- 9. What is a limiting factor? Give examples.
- 12. What is an organism's niche?
- 18. What is symbiosis?
- 25. What events could lead to secondary succession?
- 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 Forest fires
- c The way that animals inter act with each other and live together and at least one benefits
- d An organism role or job, determined by what an organism eats, how it eats, who it eats, how it reproduces, and physical conditions it requires to survive.
- e Commensalism- one is benefited one get nothing happened to it
Parasitism- on is harmed and the parasite is benefited
Mutualism- both organisms are benefited
5 Multiple choice questions
- 1. Abandoned field
2. Tree growth begins
4. Climax community
- 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
- The organisms with the traits best suited for the environment will have a greater survival rate and reproduce more that the ones without these traits
5 True/False questions
15. Explain the relationship between a predator and prey. Explain how the each population affects the other's population. → Predator: wolf- helps control the population by eating the prey
Prey: deer- provides food for the predator
10. What is an adaptation? → Behaviors & physical characteristics that allow organisms to survive in their environment
22. What are the two types of succession and how are they different? → Organism-population-community-ecosystem
16. Explain adaptations a predator has to make it a good predator. → Running fast, claws, being nocturnal, stealth
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