440 likes | 642 Views
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
E N D
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 • Scientific assessment • Public education • Risk analysis 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
The pride of lions in the forest of Oz is an example of a(n) • community • ecosystem • population D. biosphere
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 • water molecules B. oxygen molecules • organic compounds 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
What is biodiversity? 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 A. producers B. decomposers • Herbivores D. microbes
The growth rate of a population is expressed as: • (b+i)-(d+e) B. r-td C. k-r D. b-d
Acid rain is generally caused by • burning fossil fuels B. water • Acids D. animals
The law that governs the protection of species that are in danger of dying out is the ___. • Ecosystem Support Act • Threatened Species Act • Endangered Species Act • Extinction Prevention Act
A species that has numerous individuals in the wild but whose numbers are dwindling is ____. • Threatened • Protected • delisted D. endangered
Peregrine falcons are endangered in PA because of • DDT • Habitat loss • Predators • Mountain lions
Which of the following organisms are now extinct in PA? 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 • Hunt herbivores, limiting their populations in an ecosystem 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. transpiration B. evaporation C. precipitation
____ is the absorbed from the air by plants. • Carbon dioxide B. Neon • Oxygen D. Nitrogen
Deforestation will most directly result in an immediate increase in A. atmospheric carbon oxide B. atmospheric ozone C. wildlife populations D. renewable resources
Organism that only eats plants • Herbivore • Carnivore • Decomposer • Bacteria
Includes the biosphere, atmosphere, & lithosphere • Ecology • Biosphere • Ecosphere • Biotic
A feeding level that is a certain number of steps away from the sun. • Atom • Food web • Trophic level • Food chain
Non-living factor in the environment • Biotic • Abiotic • Bacteria • Decomposer
Group formed by several populations • Ecosphere • Ecosystem • Community • Habitat
Geo means • Land, rocks • Life • Molecules • Sinks
Element that does not enter the atmosphere • Carbon • Phosphorus • Oxygen • Water
Number of deaths per 1000 individuals • Zero population growth • Growth rate • Doubling time • Death rate
The migration of individuals moving from the population • Emigration • Immigration • Moving
Birth rate = death rate • Zero population growth • Growth rate • Doubling time • Birth rate
Concentration of pollutant increasing as it moves up the food chain. • Niche • Biomagnification • Carrying capacity • Germination
Role that the organism plays in the ecosystem • Niche • Biomagnification • Carrying capacity • Germination
Worms, insects & snail A. Invertebrates B. Vertebrates C. Carnivores D. Decomposer
When seeds begin to grow • Germination • Fertilization • Pollination • Biomagnification
Two or more organs working together to perform a function • Organs • Organs system • Cells • Organism
Our world has approximately ____ people. • 6 billion • 6.7 billion C. 12 billion
In an ecosystem, which component is NOT recycled? • Water B. energy • oxygen D. carbon
Plants that complete their life cycles in a year or less are called _______________. A. biennials B. annuals C. perennials D. monocots
____ is the process that allows water to enter the atmosphere by passing into the roots of plants and out through the leaves. • Transpiration B. Evaporation • Condensation D. Precipitation
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