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- 1. Multiple ChoiceWhich is not a biotic factor?peopleplantssunlightall are biotic factors
- 2. Multiple Choice
A symbiotic relationship in which one organism is harmed and another benefits is
mutualism
parasitism.
commensalism.
predation.
- 3. 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 - 4. Multiple ChoiceIn an ecosystem, a biotic or abiotic resource that over time can keep organism populations "in check" is known as a ___________________.Limiting FactorCarrying CapacityParasitismNiche
- 5. Multiple Choice
What is a habitat?
The natural home or environment of an animal, plant, or other organism.
The interrelationship of a species with all the biotic and abiotic factors affecting it.
A biological community of interacting organisms and their physical environment.
The natural home or environment of non-living organisms.
- 6. Multiple Choice
What is a niche?
The place or function of a given object within its ecosystem.
The place or function of a given organism within its ecosystem.
The natural home or environment of an animal, plant, or other organism.
The natural home or environment of an object.
- 7. Multiple ChoiceA large ecosystem is called a ______EcosystemHabitatBiomeNiche
- 8. Multiple ChoiceWhich point on the graph represents carrying capacity?ABCD
- 9. Multiple ChoiceWhich of the following represents the combination of all relevant environmental variables in which a species or population lives?cladehybrid zonephylogenyecological niche
- 10. Multiple Choice
The diagram shows the impact of birds feeding on a population of beetles over time.
Which of the following accounts for the change in the beetle population?
Mutation
Gene flow
Genetic drift
Environmental pressure
- 11. Multiple Choice
Which of the following is a physiological adaptation?
Thick waxy cuticle on the leaves of Eucalyptus trees.
Large spikes and specialised water catching scales of the Thorny Devil lizard.
Accumulation of salt in old leaves and bark of mangrove trees that can be dropped and so removed from the tree.
Living and feeding in communities or groups, as practised by meerkats, to make themselves less vulnerable to predators.
- 12. Multiple Choice
The image above depicts four of the Galapagos finches that Charles Darwin observed during the voyage of the HMS Beagle. These finches helped Darwin develop his Theory of Evolution.
What type of evolution do the finches represent?
Divergent Evolution
Transverse Evolution
Subvergent Evolution
Convergent Evolution
- 13. Multiple Choice
Darwin and Wallace proposed the theory of evolution by natural selection.
Punctuated equilibrium differs from this theory in that punctuated equilibrium:
requires genetic variation to exist in a population.
is driven by selection pressures in the environment.
discounts the idea that living organisms share a common ancestor.
occurs in relatively short bursts of rapid change.
- 14. Multiple ChoiceExamples of a producerfrogalgaewormmouse
- 15. Multiple ChoiceThe shrew provides energy for the _______?cricketgrasshopperfrogsnake
- 16. Multiple ChoiceDifferent populations living and interacting with each other in the same areaBiomeEcosystemCommunityNiche
- 17. Multiple Choice
Gas analysis of ice cores in Antarctica has shown which trend over the last 100 years?
Atmospheric concentrations of greenhouse gases have increased
There has been no change in atmospheric concentrations of greenhouse gases
Atmospheric concentrations of greenhouse gases have decreased
Global temperatures have decreased
- 18. Multiple Choice
What type of environment are sclerophyll plants adapted to?
tropical climates with nutrient rich soils
wetlands and estuaries
harsh, dry climates and nutrient-deficient soils
mangrove swamps
- 19. Multiple Choice
What is the highest number trophic level in this food web?
4
3
2
5
- 20. Multiple Choice
Students wanted to investigate the distribution patterns of periwinkles and brown algae at various distances from the high tide mark on a rock platform. The best sampling technique would be:
Point Sampling
Transect
Quadrats and Transect
Capture-Recapture
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