Environmental
Science
Chapters
4 and 5
Test
100
process of breaking down food to get energy
What is cellular respiration
100
shows how energy transfers from one organism to another
What is food chain
100
gradual process of change and replacement of some or all of the species in a community
What is ecological succession
100
the first organisms to colonize a newly available area
What is pioneer species
100
Which is NOT a step in the carbon cycle: A. Producers use carbon dioxide to photosynthesize. B. Cellular respiration releases carbon dioxide into the atmosphere. C. Carbon is stored as carbonates. D. Consumers use carbon dioxide to photosynthesize.
What is D. Consumers use carbon dioxide to photosynthesize.
200
a single step in the food chain
What is trophic level
200
occurs on a surface where an ecosystem previously existed but was disturbed
What is secondary succession.
200
another name for consumers
What is heterotrophs
200
The community of a lake is made up of A. abiotic factors and the water B. resources organisms need C. habitats in and around the water D. populations of living organisms
What is D. populations of living organisms
200
Temperature and precipitation would be considered: A. abiotic factors B. biotic factors C. unnecessary factors D. selection factors
What is A. abiotic factors
300
Which best describes a population: A. members of the same species living in the same area at the same time B. all the red birds in an area C. all types of organisms living in the same place D. all members of the same species
What is A. members of the same species living in the same area at the same time
300
Which of the following is NOT a biotic factor? A. bacteria B. insects C. leaves D. rain
What is D. rain
300
Which type of organism obtains energy ONLY from producers? A. decomposers B. herbivores C. omnivores D. all of the above
What is B. herbivores
300
Which of the following plants is likely to be a pioneer species? A. lichens B. grasses C. vines D. oak trees
What is A. lichens
300
Which of the following are photosynthetic? A. fungal decomposers B. aphotic worms C. marine algae D. intestinal bacteria
What is C. marine algae
400
Why are bacteria that live in the roots of a soybean plant critical to the nitrogen cycle? A. provide the plant with sugar B. transform nitrates in nitrogen gas C. change atmospheric nitrogen into a useable form D. release nitrogen by decomposing dead plant parts
What is C. change atmospheric nitrogen into a useable form
400
Which organism is likely to be in the bottom trophic level of a food chain? A. leopard seal B. algae C. krill D. killer whale
What is B. algae
400
Why is the sun considered to be the ultimate source of energy on earth?
What is Producers need sunlight to photosynthesize.
400
How much energy is transferred from one organism to the next organism when you move up one trophic level?
What is 10%
400
From which main element are fossil fuels formed?
What is carbon
500
How do cars and factories affect the carbon cycle?
What is They add carbon dioxide to the air, which contributes to global warming.
500
How does the use of fertilizer affect the environment?
What is They add nitrogen and phosphorus to the runoff that ends up in oceans and can cause algal blooms.
500
all of the organisms living together in an area along with their physical environment
What is ecosystem
500
Which of the following is NOT a step in the nitrogen cycle? A. Consumers change atmospheric nitrogen into a useful form. B. Extra nitrogen is released into the soil to be used by plants. C. Decomposers break down organisms and return nitrogen to the soil. D. All of the above are correct.
What is A. Consumers change atmospheric nitrogen into a useful form.
500
Which of the following is an example of secondary succession? A. breaking down of bare rock by fungi and mosses B. pioneer plants begin to grow after glacial melting C. growth of plants after a forest is destroyed by fire D. lichen growing on volcanic rock
What is C. growth of plants after a forest is destroyed by fire