Ecology. Review. The ability of the environments to function indefinitely without declining is called environmental sustainability B. recycling fusing D. natural balance. Which of the following is NOT a component in the solving of environmental problems ? Space travel
The ability of the environments to function indefinitely without declining is called
D. natural balance
Which of the following is NOT a component in the solving of environmental problems?
E. Political action
Which of the following examples represents the most efficient transfer of energy to the highest trophic level of a food chain?
A. bee clover cattle human
B. lettuce human
C. lettuce deer human
D. algae minnow trout human
A student observes that an organism is green. A valid conclusion that can be drawn from this observation is that
A. the organism must be a plant
B. the organism cannot be single celled
C. the organism must be an animal
D. not enough information is given to determine whether the organism is a plant or an animal
In heterotrophs, energy for the life processes comes from the chemical energy stored in the bonds of
B. oxygen molecules
D. inorganic molecules
Which situation has had the most negative effect on the ecosystems of Earth?
A. use of air pollution controls
B. use of natural predators to control insect pests
C. recycling glass, plastic, and metals
D. increasing human population
A. The rain forest in Costa Rica.
B. The number of different species found in an area or on the planet.
C. The number of threatened species found on a planet.
D. The number of habitats found in an area or on the planet.
In most habitats, the removal of predators will have the most immediate impact on a population of
C. k-r D. b-d
The law that governs the protection of species that are in danger of dying out is the ___.
A species that has numerous individuals in the wild but whose numbers are dwindling is ____.
A. Peregrine falcon
B. Bald Eagle
C. Panda bear
D. Passenger pigeon
Vultures, which are classified as scavengers, are an important part of an ecosystem because they
B. Feed on dead animals, which aids in the recycling of environmental materials
C. Cause the decay of dead organisms which releases usable energy to herbivores & carnivores
D. Are the first level in food webs & make energy available to all the other organism in the web
Which of the following is NOT a way that water gets from the surface of the planet to the atmosphere?
A. atmospheric carbon oxide
B. atmospheric ozone
C. wildlife populations
D. renewable resources
C. 12 billion
Plants that complete their life cycles in a year or less are called _______________.
____ is the process that allows water to enter the atmosphere by passing into the roots of plants and out through the leaves.
The difference between primary and secondary succession is that primary succession
A. results in an climax community
B. starts with the formation of soil from bare rock
C. causes a community to change over time
D. occurs after a farmer stops plowing a field