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Other Sciences
6th -
8thgrade
G9 407 Post Assessment on Biodiversity & Ecosystem
40 questions
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- 1. Multiple ChoiceAn endangered species isOne whose numbers are so small that it is at risk of extinctionOne whose not been spotted after many years.One whose numbers are abundant.
- 2. Multiple ChoiceA species is defined as endangered when itsuffers from damage to its habitat.suffers from disease or predation.when there are hazards to the continued life of the species.all of the above
- 3. Multiple ChoiceWhat is a habitat?It is an artificial area where wildlife lives.It is any natural region where wildlife lives undisturbedIt is a protected region created by people to save wildlife.
- 4. Multiple ChoiceWhich is the most endangered animal group?MammalsAmphibiansInsects
- 5. Multiple ChoiceWhat is the main cause of extinction of tigers?huntingclimate change.disease.building of new homes
- 6. Multiple ChoiceWhat are the greatest problems facing plants, animals, and people?introducing new species that can cause problemshabitat destructionillegal huntingall of the above
- 7. Multiple ChoiceWhich of the following does not destroy habitats?building homespollutionnature reserveshunting and trading
- 8. Multiple ChoiceWho can help save endangered species?environmentalistyouscientistsall of the above!
- 9. Multiple ChoiceThe world's most endangered species includeTigersElephantsRhinosall of the above
- 10. Multiple Choice
no longer in existence
natural
extinct
species
predator
- 11. Multiple Choice
the many different types of life that exist in an environment
biodiversity
nutrients
species
fossil
- 12. Multiple Choice
not human-made
nutrients
natural
organism
population
- 13. Multiple Choice
This classification of risk means that the species is at serious risk of extinction.
threatened
vulnerable
endangered
extinct
- 14. Multiple Choice
The status of a "threatened species" means:
they are almost extinct
they are likely to become endangered
they are extinct
their numbers are increasing
- 15. Multiple Choice
All of the following are causes for biodiversity loss, EXCEPT:
Habitat Loss
Invasive Species
Replanting trees
Pollution
- 16. Multiple Choice
All of the following affect biodiversity only in certain locations and times, EXCEPT:
Pollution
Invasive Species
Climate Change
Overharvesting
- 17. Multiple Choice
What are the living and nonliving things in an environment or area?
predator
producer
ecosystem
abiotic factor
- 18. Multiple Choice
An organism that can make its own food
decomposer
producer
consumer
- 19. Multiple Choice
Breaks down and feeds on the remains of other organisms
decomposer
consumer
producer
- 20. Multiple Choice
Interacting food chains found in an ecosystem
food web
food chain
predator
- 21. Multiple Choice
An animal that hunts and eats other animals for energy
prey
predator
decomposer
- 22. Multiple Choice
These organisms cannot make their own food; they must eat something for energy
decomposer
consumer
producer
- 23. Multiple Choice
Where does the food chain START?
with consumers that eat grass
with the sun giving energy to producers
with the sun giving energy to consumers
with consumers eating other consumers
- 24. Multiple Choice
A decomposer is also a producer.
True
False
- 25. Multiple Choice
Which of the following are factors that could cause extinction?
Destruction of animals' habitat
Climate change
Pollution
Increased human population (more people)
ALL of the above could cause extinction
- 26. Multiple Choice
Explain the flow of energy in this food chain (who passes energy to who).
The hawk gives energy to the snake. The snake gives energy to the mouse. The mouse gives energy to the grasshopper who gives energy to the grass.
The mouse gives energy to the hawk. The snake gives energy to the grasshopper. The grass gives energy to the snake.
The grass gives energy to the grasshopper. The grasshopper gives energy to the mouse. The mouse gives energy to the snake who gives energy to the hawk.
- 27. Multiple Choice________ are consumers that eat plants and meat.HerbivoreOmnivoreCarnivore
- 28. Multiple Choice_______ are consumers that eat only meat.HerbivoreOmnivoreCarnivore
- 29. Multiple ChoiceWhich organism make their own food through the process of photosynthesis?decomposerconsumerherbivoreproducer
- 30. Multiple ChoiceWhich describes a decomposer?an organism that eats only plantsan organism that makes its own foodan organism that breaks down dead matteran organism that recieves energy from the sun
- 31. Multiple ChoiceWhich of the following is a herbivore?cricketfroghawkshrew
- 32. Multiple ChoiceWhich of the following food chains shows the correct energy flow from left to right.rabbit--owl--grassgrass--rabbit--owlowl--rabbit--grassgrass--owl--rabbit
- 33. Multiple ChoiceWhich of the following would have a negative impact on an ecosystemconstructing highwaysplanting treesrecycling paper
- 34. Multiple ChoiceTemperature, light, air, water, and soil are all _____ parts of the environmentalivebioticabioticliving
- 35. Multiple ChoiceWhat is this called?Food WebFood ChainAbiotic FactorsBiotic Factors
- 36. Multiple ChoiceIn the energy pyramid here, which organisms have the most energy available?ProducersCarnivoresHerbivoresTop Predator
- 37. Multiple ChoiceAn organism's ? is defined as the environment in which it lives.HabitatNicheSocial StructureEcology
- 38. Multiple ChoiceWhen a plant is eaten by a grasshopper, the grasshopper is calledProducerPrimary consumerSecondary consumerTertiary consumer
- 39. Multiple ChoiceWhen a plant is eaten by a caterpillar and the caterpillar is eaten by a frog, the frog belongs toProducerPrimary consumerSecondary consumerTertiary consumer
- 40. Multiple ChoiceOrganismPopulationCommunity
- Answer choicesTagsAnswer choicesTags