What is a negative effect of humans developing land for commercial and residential purposes?
1. the loss of biodiversity
2. increased jobs
3. increased food production
4. more homes
1. the loss of biodiversity
What is a niche?
1. the role of a species
2. where a species lives
3. who the species is friends with
4. how a species grows
1. the role of a species
What is parasitism?
1. species A is benefited and species B is benefited
2. species A is benefited and species B is unaffected
3. species A benefits and species B is harmed
4. both species are harmed
3. species A is benefited and species B is harmed
Who will always be at the bottom of the energy pyramids?
1. producers
2. apex
3. primary consumers
4. heterotrophs
1. producers
Where does all energy in the ecosystem originate?
1. the mitochondria
2. producers
3. consumers
4. the sun
4. the sun
What is NOT a way humans can reverse decreasing biodiversity?
1. clean polluted ecosystems
2. laws to protect land/ species
3. replant species in areas of deforestation
4. cut down forest to create space for new residential area
4. cut down forest to create space for new residential area
What annotation goes with decomposer?
1. energy
2. apex
3. renewable
4. digests
4. digest
*name an example for an extra 200 points!*
What is the annotation for dynamic equilibrium?
1. fair
2. balance
3. fun
4. important
2. balance
Who has the least amount of energy available in the ecosystem?
1. producers
2. apex
3. primary consumers
4. heterotrophs
2. apex
Who has the most energy available in the ecosystem?
1. consumers
2. producers
3. apex predators
4. primary consumers
2. producers
Which action leads to the other 3?
1. Biodiversity decreases
2. Increases in CO2 emissions
3. Human population growth
4. Habitat destruction
3. Human population growth
What happens if organisms occupy the same niche?
1. increases amount of food
2. they will reproduce together
3. they will compete over resources
4. they will both move
3. they will compete over resources
What is a habitat?
1. the role of a species
2. where a species lives
3. what a species eats
4. how a species travels
2. where a species lives
Which show the levels of the ecosystem in increasing complexity?
1. individual->community->ecosystem->biome
2. ecosystem->biome->community-> individual
3. individual->ecosystem->community-biome
4. biome->ecosystem->community->individual
1. individual->community->ecosystem->biome
Who directly gets energy from the sun?
1. primary consumers
2. decomposers
3. apex organisms
4. autotrophs
4. autotrophs
What will happen if the ozone layer continues to deplete?
1. a decrease in pollutants
2. a decrease in loss of biodiversity
3. increase in cancer for humans
4. increase in artic ice
3. increase in cancer for humans
What happens to carbon dioxide and oxygen within an ecosystem?
1. they are store in plants
2. recycled through living and nonliving components
3. they are constantly added to the ecosystem
4. only happen with respiration
2. recycled through living and nonliving components
Define global warming.
The increase in average temperature on Earth's surface (caused by increase in greenhouse gases).
What is the correct order of ecological succession?
1. forest->grasses-> shrubs->charred stumps
2. charred stumps->grasses->shrubs->forest
3. charred stumps->shrubs->grasses->forest
4. shrubs->grasses->charred stumps->forest
2. charred stumps->grasses->shrubs->forest
*for an extra 400 points*
Is this an example of primary or secondary succession????????????????????
Why doesn't all of an organism's energy go to next trophic level?
1. they store it for later
2. metabolic purposes/ heat loss
3. decomposers need it
4. it does go to the next level
2. metabolic purposes/ heat loss
What is the risk of using pesticides to kill unwanted organisms?
1. decreases pollution
2. can harm unintended organisms
3. increase biodiversity
4. make humans money
2. can harm unintended organisms
What is more stable a food web or a food chain?
1. Web
2. Chain
1. Web
Which of the following is a renewable resource?
1. coal
2. gas
3. fossil fuel
4. solar
4. solar
Write an example of a food chain. Include: producer, primary consumer and secondary consumer.
answers will vary.
Example: grass->cricket->frog
Is the sun's energy considers a abiotic or biotic source?
1. abiotic
2. biotic
1. abiotic