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- 1. Multiple Choice
Non-Living things that affect the ecosystem
biotic
abiotic
dead
zombies
- 2. Multiple Choice
Living things that affect the ecosystem.
rocks
pokemon
abiotic
biotic
- 3. Multiple Choice
Competition in an ecosystem occurs when
animals get bored.
more than one individual or population in an ecosystem relies (needs) the same limited resource.
there is more than enough of a resources for every living organism.
resources are unlimited.
- 4. Multiple Choice
When an organism depends on a factor for survival, this is called a ______________________ interaction.
independent
questionable
dependent
expendable
- 5. Multiple Choice
A system made up of all the biotic and abiotic factors in an area and all the interactions among them.
Ecosystem
Niche
Adaptation
Nutrasystem
- 6. Multiple Choice
A limited resource in an ecosystem is
something that is appreciated by organisms and is not infinite (unlimited) in the environment. If the resource runs out or is destroyed, the organisms will be okay.
something that is unlimited and will last forever, organisms and populations may compete, but only for fame and glory.
something that is needed by organisms and is not infinite (unlimited) in the environment. If the resource runs out or is destroyed, then the organisms that need it will likely die off.
something that is not needed by organisms and is not infinite (unlimited) in the environment. If the resource runs out or is destroyed, then there will be no effect on the organisms.
- 7. Multiple Choice
A self-contained living thing. Examples include bacteria, douglas fir tree, wolf, turkey, madrone, salmon.
ecosystem
organism
cell
abiotic
- 8. Multiple Choice
A group of individuals from the same species living and interacting together in the same ecosystem is called a
organism.
troup.
zebra festival.
population.
- 9. Multiple Choice
A consumer
can use chemosynthesis to chemically convert hydrogen sulfide, CO2, and O2 into sugar.
can use photosynthesis to turn sunlight, water, and CO2 into sugar.
needs to get its energy from eating or consuming another organism,
can make its own food.
- 10. Multiple Choice
Which of the organisms in the diagram are producers?
Hawks
Rabbits
Snakes
Grass
- 11. Multiple Choice
If a disease strikes the snake population in the food chain shown, what will be the initial effect on the populations of hawks and rabbits?
The populations of hawks and rabbits will decrease.
The populations of hawks and rabbits will increase.
The population of hawks will increase. The population of rabbits will decrease.
The population of hawks will decrease. The population of rabbits will increase.
- 12. Multiple Choice
What event within the food chain might lead to the graph shown below?
A disease in the population of rabbits.
It is impossible to tell which of the above occurred
A disease in the population of hawks.
A disease in the population of snakes.
- 13. Multiple Choice
What most likely caused the rabbit population to decrease over the first time unit shown in the following graph? Pay close attention to the (y) axis | and what it is telling you.
A disease in the population of rabbits
A decreasing population of grasses.
An increasing population of hawks.
A higher than normal population of snakes.
- 14. Multiple Choice
Trapping has severely reduced the population of rabbits in an ecosystem, as shown in the bar graph below. What is the most likely effect this will have on other organisms?
The hawk population will increase rapidly and the rabbit population will decrease rapidly.
The snake population will decrease rapidly and the grass population will increase rapidly.
The grass population will decrease rapidly and the snake population will increase rapidly.
The grass, rabbit, snake, and hawk populations will all decrease rapidly.
- 15. Multiple Choice
In the stable food chain shown in the picture, what would you expect to happen initially if you were to suddenly double the population of rabbits?
The grass population and hawk population would decrease. The snake population would increase.
The populations of the other three species would also increase.
he populations of the other three species would decrease.
The grass population would decrease. The snake population and hawk population would increase.
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