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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

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ecology

Ecology

Review

slide2

The ability of the environments to function indefinitely without declining is called

  • environmental sustainability

B. recycling

  • fusing

D. natural balance

slide3

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

slide4

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

slide5

The pride of lions in the forest of Oz is an example of a(n)

  • community
  • ecosystem
  • population

D. biosphere

slide6

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

slide7

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

slide8

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

slide9

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.

slide10

In most habitats, the removal of predators will have the most immediate impact on a population of

A. producers

B. decomposers

  • Herbivores

D. microbes

slide12

The growth rate of a population is expressed as:

  • (b+i)-(d+e) B. r-td

C. k-r D. b-d

slide13

Acid rain is generally caused by

  • burning fossil fuels

B. water

  • Acids

D. animals

slide14

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
slide15

A species that has numerous individuals in the wild but whose numbers are dwindling is ____.

  • Threatened
  • Protected
  • delisted

D. endangered

slide16

Peregrine falcons are endangered in PA because of

  • DDT
  • Habitat loss
  • Predators
  • Mountain lions
slide17

Which of the following organisms are now extinct in PA?

A. Peregrine falcon

B. Bald Eagle

C. Panda bear

D. Passenger pigeon

slide18

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

slide19

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

slide20

____ is the absorbed from the air by plants.

  • Carbon dioxide

B. Neon

  • Oxygen

D. Nitrogen

slide21

Deforestation will most directly result in an immediate increase in

A. atmospheric carbon oxide

B. atmospheric ozone

C. wildlife populations

D. renewable resources

slide22

Organism that only eats plants

  • Herbivore
  • Carnivore
  • Decomposer
  • Bacteria
slide24

A feeding level that is a certain number of steps away from the sun.

  • Atom
  • Food web
  • Trophic level
  • Food chain
slide25

Non-living factor in the environment

  • Biotic
  • Abiotic
  • Bacteria
  • Decomposer
slide26

Group formed by several populations

  • Ecosphere
  • Ecosystem
  • Community
  • Habitat
slide27

Geo means

  • Land, rocks
  • Life
  • Molecules
  • Sinks
slide29

Number of deaths per 1000 individuals

  • Zero population growth
  • Growth rate
  • Doubling time
  • Death rate
slide31

Birth rate = death rate

  • Zero population growth
  • Growth rate
  • Doubling time
  • Birth rate
slide32

Concentration of pollutant increasing as it moves up the food chain.

  • Niche
  • Biomagnification
  • Carrying capacity
  • Germination
slide33

Role that the organism plays in the ecosystem

  • Niche
  • Biomagnification
  • Carrying capacity
  • Germination
slide34

Worms, insects & snail

A. Invertebrates

B. Vertebrates

C. Carnivores

D. Decomposer

slide35

When seeds begin to grow

  • Germination
  • Fertilization
  • Pollination
  • Biomagnification
slide37

Our world has approximately ____ people.

  • 6 billion
  • 6.7 billion

C. 12 billion

slide39

Plants that complete their life cycles in a year or less are called _______________.

A. biennials

B. annuals

C. perennials

D. monocots

slide40

____ 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

slide41

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