Ecosystem
2. Considering the energy that is lost as heat to the environment when one organism consumes another, which model correctly shows the trophic levels ranked from greatest energy to least?
A. herbivore►producer►top carnivore►primary carnivore
B. producer►herbivore►primary carnivore►top carnivore
C. primary carnivore►top carnivore►producer►herbivore
D. top carnivore►primary carnivore►herbivore►producer
B. producer►herbivore►primary carnivore►top carnivore
Which of the following biomes is affected by deforestation?
. taiga
What is one difference between primary and secondary succession?
Secondary succession begins on soil and primary succession begins on virtually lifeless areas.
Which of the following is NOT associated with climate change?
argon
Which statement about wind energy is true?
Wind energy is being developed as an alternative to fossil fuels.
Why do higher trophic levels in most ecosystems contain fewer organisms than lower trophic levels?
Energy available for use to the highest trophic level is small
Which land biome has more species than all the other biomes combined?
tropical rainforest
The regrowth of a forest after a devastating fire is an example of what process?
secondary succession
If global warming continues, all of the following are potential results EXCEPT
greater plant and animal biodiversity.
Which of the following lists alternative energy sources that are currently in use?
solar, hydroelectricity, and wind energy
Which of the following is a biotic component of a biological community?
herbivores
Which of the following are the three primary ecosystems found on Earth?
freshwater, terrestrial, and ocean
What do fires, hurricanes, and other natural disturbances result in?
secondary succession
What is the greatest current threat to biological diversity?
global warming
Which of the following is a sustainable alternative energy source to fossil fuel?
moving water
Which is an example of an ecosystem?
The biotic and abiotic factors in a pond
The alligator in this environment is
a biotic factor that needs living oxygen to live.
Ecological succession can end when a community is not replaced by another one. This community is called a "climax community." Which of the following would dominate the climax community shown in the ecological succession of the pond?
tall trees
The rising sea level could be a consequence of
global warming.
A climate that receives a lot of sunshine makes it ideal for which alternative energy source below?
solar energy
. Biotic factors include which of the following?
. plants, animals, and fungi
Which of the following are two biotic factors that will interact in an environment?
frog and fly
The removal of trees for building materials or clearing land for farming has lead to which of the following?
decreased biodiversity
Which concept explains an increase in Earth's average temperature from the buildup of carbon dioxide and other gases in the atmosphere?
global warming
Fossil fuels such as petroleum and coal can be burned to produce energy. In recent years many new alternative energy sources have been proposed and developed. Which below is a new type of alternative energy and a disadvantage of using this energy source
biofuel energy, takes landspace away from food crops.