5 Written Questions
5 Matching Questions
- 17. Explain adaptations a prey has so it will not be eaten.
- 11. How does natural selection determine the adaptations of organisms in an ecosystem?
- 21. What is succession?
- 14. What are two major interactions between organisms in an ecosystem?
- 2. What is the difference between biotic and abiotic factors in an ecosystem?
- a Hiding in its shell, claws, being nocturnal, cunning
- b 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
- c -Predation
- d The series of predictable changes that occur in a community over time
- e 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 Multiple Choice Questions
- Forest fires
- Biotic- plants, animals, paper
Abiotic- sun, water, soil
- 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
- 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
- The ecosystem is formed by the community and all the abiotic factors together
5 True/False Questions
9. What is a limiting factor? Give examples. → How many people live in one area
24. Identify the major steps of succession. → The series of predictable changes that occur in a community over time
13. Why can two species not occupy the same niche? → Because it would cause competition, because you can't share a job with something
16. Explain adaptations a predator has to make it a good predator. → Hiding in its shell, claws, being nocturnal, cunning
18. What is symbiosis? → The series of predictable changes that occur in a community over time