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- 1. Multiple ChoiceWhich symbols best describe mutualism?+,++,-+,0-,0
- 2. Multiple ChoiceWhich symbols best describe parasitism?+,++,-+,0-,0
- 3. Multiple ChoiceWhich symbols best describe commensalism?+,++,-+,00,0
- 4. Multiple ChoiceA tick and a dog have this type of relationship.mutualismcommensalismneutralismparasitism
- 5. Multiple ChoiceCattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.mutualismcommensalismcompetitionparasitism
- 6. Multiple ChoiceA wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit.MutualismParasitismCommensalism
- 7. Multiple ChoiceYucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit.MutualismParasitismCommensalism
- 8. Multiple Choice
What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.commensalismmutualismparasitismpredation - 9. Multiple ChoiceA close, long-term relationship in which 2 different organisms live in close association with each other.Carrying CapacityCoexistenceLimiting FactorSymbiosis
- 10. Multiple ChoiceMistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm).MutualsimParasitismCommensalism
- 11. Multiple Choice
Overall, all the interactions between organisms in ecosystems...
Keep ecosystems & populations unstable and random
Keep ecosystems & populations stable and balanced
- 12. Multiple Choice
In which type of interaction does one animal eat another for energy and nutrients?
Competition
Parasitism
Predation
Mutualism
- 13. Multiple Choice
Which of the following is NOT a symbiotic relationship?
Competition
Commensalism
Mutualism
Parasitism
- 14. Multiple Choice
What term describes organisms striving for the same limited resources?
Competition
Predation
Mutualism
Commensalism
- 15. Multiple Choice
Commensalism is a symbiotic relationship in which what occurs between the organisms?
both organisms are harmed
one benefits, the other is unaffected
one benefits, the other is harmed
one benefits by eating the other
- 16. Multiple Choice
Fleas living within a mammal's fur describes this type of relationship:
Competition
Mutualism
Predation
Parasitism
- 17. Multiple Choice
A crab is protected from fish when an anemone rides on its shell. The anemone gets more food.
Commensalism
Competition
Predation
Mutualism
- 18. Multiple Choice
This interaction occurs when lions, cheetahs, and leopards all need the same food source.
Intraspecific Competition
Interspecific Competition
Predation
Mutualism
- 19. Multiple Choice
Orchid vines are skinny and grow on the trunk of trees to get more light and space with no negative effect.
Mutualism
Commensalism
Parasitism
Competition
- 20. Multiple Choice
Parasites and predators help maintain ecosystem stability because...
They increase the population of all organisms so ecosystems become diverse
They decrease the population of certain organisms to ensure no species overpopulates
They increase the survival of all species
Any of the above are possible
- 21. Multiple Choice
How does competition between organisms maintain ecosystem stability and biodiversity?
The winners of the competition increase in population size and dominate the ecosystem
Both organism populations become stronger and larger as a result of the competition
The population sizes are kept in check due to limited resources
All of the above are true
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