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- 1. Multiple ChoiceWhy is a microscope needed to view cells?to separate cells from each otherto make cells look bigger than they areto make cells look smaller than they areto hold the cells still so they can be seen
- 2. Multiple ChoiceIdentify a statement that shows how bacteria are NOT helpful to humans.Bacteria break down dead plants and animalsBacteria break down water, soil, and air pollution.Bacteria cause inflammation of tissues and often a fever.Bacteria break down the milk protein to create cheese.
- 3. Multiple Choice
Beneficial or Harmful?
bacteria used in cheese and yogurt
beneficial
harmful
- 4. Multiple Choice
Beneficial or Harmful?
yeast used to cause bread to rise
beneficial
harmful
- 5. Multiple Choice
Beneficial or Harmful?
fungus causes ringworm or athlete's foot on the skin
beneficial
harmful
- 6. Multiple Choice
Beneficial or Harmful?
bacteria weakens teeth enamel
beneficial
harmful
- 7. Multiple Choice
Beneficial or Harmful?
mold used to create Penicillin (antibiotic)
beneficial
harmful
- 8. Multiple ChoiceNitrogen-fixing bacteria are important because...they are decomposersthey are salt loversthey provide protection for plants from diseasesthey make nitrogen available to plants in form they can use
- 9. Multiple ChoiceBacteria are made up of how many cells?123trillions!
- 10. Multiple ChoiceMold helps dead things (plants, animals)...GrowDecaySleepReproduce
- 11. Multiple ChoiceFungi is benefical to us because of the following reason:They are a source of oxygenThey can clean up pollutionThey are a source of antibioticsThey help to clean run off from waste
- 12. Multiple ChoiceSome bacteria is known as ________________ and cause disease.pathogensflagellainfluenzaebola
- 13. Multiple ChoiceBacteria is known as ______________ in an ecosystem when feeding on dead organisms.decomposersherbivorespathogensinfections
- 14. Multiple ChoiceWhat is true about bacteria?Bacteria use photosynthesis to make their own foodBacteria can only be found in dirtBacteria is always beneficialBacteria can be used to make certain foods
- 15. Multiple ChoiceBacteria can ________ .Heal cutsPurify waterSpoil foodCause cancer
- Answer choicesTagsAnswer choicesTags