- After learning about ecological footprints and sustainability, what are you going to with all of your notes that you took this semester? a. burn themb. recycle themc. put in the garbaged. pass them to someone else
- Rod-shaped bacteria are called a. coccib. bacillic. spirochetes d. vibrios
- Eukaryotes are _______ prokaryotes a. more ancient than b. dependant upon c. more widespread than d. more numerous than
- In succession, the ability of one species to make the area more suitable for another species is calleda. tolerance b. climax successionc. inhibitiond. facilitatione. mutualism
- Which of the following statements about the nitrogen cycle is true? a. the nitrogen cycle requires different types of bacteriab. nitrogen gas is converted to nitrates in plant leavesc. nitrogen cannot be cycled through living organisms d. when plants and animals die, nitrogen is removed from the nitrogen cycle
- A keystone species that is a predator will a. maintain the species diversity in a communityb. harvest prey species down to extinctionc. help many of its prey reproduced. reduce the diversity of the community
- Which of the following statements regarding food webs is true?a. a consumer eats only one type of producerb. detritivores consume dead organic matter from a specific trophic level c. several species of primary consumers may feed on the same species of producerd. energy transfer moves from producer to consumer and back
- For a given area and time period, the amount of solar energy converted to chemical energy in organic compounds is calleda. primary successionb. secondary successionc. primary productiond. secondary production
- Which of the following processes does not occur in ecosystems? a. energy flow through the systemb. carbon is cycled between biotic and abiotic forms c. Producers convert light energy to chemical energyd. the energy source that powers the system is used by consumers to make organic compounds
- In your backyard you overturn a large rock. In the damp soil underneath the rock, you see various insects scurrying for cover; two black beetles, five black ants, two brown beetles, and three pill bugs. In this community of organisms, relative abundance favorsa. pill bugsb. antsc. beetlesd. pillbugs and beetles equally
- The sum total of population's use of the biotic and abiotic resources of its habitat constitutes its a. environment b. evolutionc. range d. niche
- In a hypothetical food chain consisting of grass, grasshoppers, sparrows, and hawks, the grasshoppers area. primary consumersb. primary producersc. secondary consumers d. secondary producers
- One simple thing that you can do to help safeguard the environment is to eat a diet consisting only of organisms that area. producersb. primary consumersc. secondary consumersd. a mix of producers and consumers
- Carbon mainly cycles between the biotic and abiotic worlds through the processes ofa. cellular respiration and transpirationb. transpiration and photosynthesisc. evaporation and photosynthesisd. cellular respiration and photosynthesis
- Non-native species that are introduced in new environments, spread far beyond the original point of introduction, and cause damage are calleda. destructive species b. enemy speciesc. invasive speciesd. proprietary species
- The number of species in a community is called the a. species diversityb. species richnessc. species populationd. species index
- A type I survivorship curve is associated with which of the following life history traits? a. parents providing extended care for their youngb. large numbers of offspring being produced c. infant mortality being much greater than adult mortality d. a short life span for most individuals
- The flow of ________ into ecosystems occurs in one direction only, while ________ are recycled within the ecosystem itself.a. minerals; energy compoundsb. genetic information; genotypesc. organic compounds; minerals d. energy; chemical
- You are studying the feeding habits of a group of four closely related bird species. You observe that all four species feed on insects. However, you notice that the species do not feed at the same time of day: one species feeds most actively at dawn, another during the middle of the day, another at dusk, and the last species feeds at night. What term would you use to describe this behavior? a. competitive exclusionb. character displacementc. interference competitiond. resource partitioning e. exploitation competition
- Which of the following activities would result in a decrease in your ecological footprint?a. flying across the United States once a monthb. driving your car to and from school every day c. leaving the water running while you brush your teethd. taking a city bus instead of driving to work