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- 1. Multiple Choice
Consider the following scenario: (Penguin J) has an injured flipper and lives in a group of penguins of the same species as (Penguin K). Penguin K is a non-injured Penguin. How would the survival of these two penguins be different?They wouldn't have different survivalPenguin J would have increased survival as it can more easily stay with the group.Penguin J would have decreased survival because it would have less ability to swim and would have a harder time keeping up with the group.Penguin K would have decreased survival because it would have less ability to swim and would have a harder time keeping up with the group. - 2. Multiple ChoiceWhat is a population?Each step in a food chain, food web, or on a biomass pyramid.Simplified model that shows an energy flow through an ecosystem.A community of organisms and their abiotic environment.A group of individuals that belong to the same species and can interbreed and live in the same area.
- 3. Multiple ChoiceWhat is biodiversity?The total amount of living tissue in a trophic level.The different types of creatures (species) in an ecosystem.A group of similar organisms that can breed and produce fertile offspring.The ability of multiple species to function in a landscape.
- 4. Multiple ChoiceAn area of very high biodiversity would be a_____________________coral reef in the oceandesertforestopen ocean
- 5. Multiple ChoiceWhat does "abundance" of an organism mean?
The ____________________of the organism(s).weight (biomass)size (length)number(s) (how many) - 6. Multiple ChoiceIn what year did the three mammal populations fully recover from the volcanic eruption?1984198519861987
- 7. Multiple ChoiceBetween 1980 and 1990 the bobcat population increased dramatically in the area to a population 10 times its previous size. What type of relationship occurred between bobcats and the other three species?Bobcats are predators and the others are prey.In the year 1988, the bobcats probably had their greatest increase since the prey dropped the most.In the year 1982, the Bobcats had the greatest increase since the prey had the greatest decline.Rabbits were the most affected.
- 8. Multiple ChoiceScientists collected data on a type of duckling found in the area affected by the volcanic eruption. They found that the duckling had reduced reproductive success and survival. What does reduced reproductive success and survival mean?Less offspring survive and the duckling dies.Producing less offspring as a group and the duckling is less likely to survive.The duckling is less likely to have offspring and less likely to live.The duckling is more likely to have offspring and more likely to live.
- 9. Multiple ChoiceUsing the graph, what change most likely caused the population trend shown?increased carnivoresincreased herbivoresIncreased rainfallincreased decomposers
- 10. Multiple ChoiceCompare the shape of the trend line between years 1-2 and years 2-4.Years 1-2) The trend line was sloped slightly down and in (years 2-4) it was sloped steeply upwards.Years 1-2) The trend line was sloped slightly up and in (years 2-4) it was sloped steeply downwards.Years 1-2) The trend line was sloped sharply down and in (years 2-4) it was sloped steeply down.Years 1-2) The trend line was sloped slightly up and in (years 2-4) it was sloped steeply upwards.
- 11. Multiple ChoiceSpecies 5's population starts to level off around day 19 (reach carrying capacity). Which of the following could be a limiting factor that could explain this pattern?Food limitationsPredatorsDiseaseAll responses are correct
- 12. Multiple ChoiceWhat is carrying capacity?The ability of the land to handle the species that are on it.The maximum number of individuals an environment can support.The number of communities the ecosystem can support.How quickly the environment responds to a disturbance.
- 13. Multiple ChoiceWhich cage has the higher carrying capacity? Why?Cage A < Cage B carrying capacity because the number of communities are supported.Cage B > Cage A carrying capacity because more individuals are supported.Cage B > Cage A carrying capacity because the environment can respond quicker to an environmental change.Cage A< Cage B carrying capacity because the land can handle more species.
- 14. Multiple ChoiceWhat percent of energy is transferred between trophic levels in an energy pyramid?10%50%100%25%
- 15. Multiple ChoiceWhy are there usually few organisms at the top of an energy pyramid?there is much less energy available so there are less organisms supported at the top of the pyramidhumans hunt for organisms at this levelthe organisms at the top of the energy pyramid are consumed by the oraganisms at the base of the pyramidorganisms at the top are larger and require more living space
- 16. Multiple ChoiceRabbits eat grass and other plants to survive, but they do not eat animals. What kind of animal are rabbits?ProducerPrimary ConsumerSecondary ConsumerDecomposer
- 17. Multiple ChoiceWhich of these organisms would be most likely to be found at the top of an energy pyramid?CrabSharkSardineKelp
- 18. Multiple ChoiceWhich trophic level in this pyramid would have the greatest amount of biomass?Phytoplankton trophic levelCrustacean trophic levelMackerel trophic levelShark trophic level
- 19. Multiple ChoiceIf there are 10,000 units of energy available at the phytoplankton trophic level, approximately how many units of energy are available at the herring trophic level?10,0001,00010010
- 20. Multiple ChoiceWhich trophic level in this pyramid would have the greatest amount of available energy?SharkMackerelHerringPhytoplankton
- 21. Multiple ChoiceA __________ is best defined as a group of individuals of the same species inhabiting an area.CommunityEcosystemPopulationHabitat
- 22. Multiple ChoiceWhat is the seasonal movement of an animal to another location to find food called?migrationsocial interactiongroupingcamouflage
- 23. Multiple ChoiceWhich of the following is the best reason why a pod of killer whales might choose to hunt together?A large pod size might be beneficial for herding and hunting fishThe whales are camouflaged if they hunt in large groupsThe whales are social and do not enjoy being aloneKiller whales do not hunt in groups
- 24. Multiple ChoiceA scientist is studying two wolves in Yellowstone National Park. Wolf A is generally healthy. Wolf B is generally healthy but has recently lost his sense of smell. Predict the survival outcomes for these two organisms.Wolf A is more likely to survive and reproduce than Wolf BWolf B is more likely to survive and reproduce than Wolf ABoth of these organisms have an equal chance of survival in this ecosystem - sense of smell will not impact survival outcomesBoth organisms will likely get eaten by a predator and have a low chance of survival
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