5 Written questions
5 Matching questions
- 1. What is a habitat and what should it provide an organism
- 19. Name three types of symbiosis and explain how each organism is affected.
- 20. Give examples of each type of symbiosis.
- 5. How is the ecosystem level different from the other levels?
- 13. Why can two species not occupy the same niche?
- a Commensalism- one is benefited one get nothing happened to it
Parasitism- on is harmed and the parasite is benefited
Mutualism- both organisms are benefited
- b The ecosystem is formed by the community and all the abiotic factors together
- c Because it would cause competition, because you can't share a job with something
- d P- a tick on a dog
C- a bird sitting on a deer
M- a bee pollinating a flower
- e 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
5 Multiple choice questions
- Running fast, claws, being nocturnal, stealth
- 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
- 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
- Forest fires
5 True/False questions
14. What are two major interactions between organisms in an ecosystem? → -Predation
12. What is an organism's niche? → 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.
21. What is succession? → The series of predictable changes that occur in a community over time
3. Give examples of abiotic and biotic factors. → Biotic- plants, animals, paper
Abiotic- sun, water, soil
10. What is an adaptation? → Behaviors & physical characteristics that allow organisms to survive in their environment