5 Written questions
5 Matching questions
- 6. What is ecology?
- 12. What is an organism's niche?
- 15. Explain the relationship between a predator and prey. Explain how the each population affects the other's population.
- 11. How does natural selection determine the adaptations of organisms in an ecosystem?
- 3. Give examples of abiotic and biotic factors.
- a 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
- b Predator: wolf- helps control the population by eating the prey
Prey: deer- provides food for the predator
- c The study of how organisms interact with each other and with their environment
- d Biotic- plants, animals, paper
Abiotic- sun, water, soil
- e 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.
5 Multiple choice questions
- 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 series of predictable changes that occur in a community over time
- The first species to populate an area
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? → 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.
20. Give examples of each type of symbiosis. → P- a tick on a dog
C- a bird sitting on a deer
M- a bee pollinating a flower
7. What can cause a population to increase? Decrease? → 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