A. BiosphereB. HabitatC. NicheD. Community

1) The ______ is part of the earth in which life exists. It includes land, water and air/atmosphere

A. ProducersB. DecomposersC. AutotrophsD. Herbivores

2) _____ are organisms that break down and obtain energy from dead organic matter

A. DecomposersB. Primary ConsumersC. Secondary ConsumersD. Autotrophs

3) The term "detritivore“ includes

A. BiosphereB. HabitatC. NicheD. Community

4) The full range of physical and biological conditions in which an organism lives and the way in which the organism uses these conditions is known as a _______________.

A. CommunityB. BiosphereC. Food webD. Trophic level

5) A ______ is a step in the food chain

A. BiosphereB. EcologyC. trophic levelD. community

6) The scientific study of interactions among organisms and between organisms and their environment is _______

A. PlantsB. DecomposersC. SunlightD. Water

7) ________________ is/are the ultimate source of energy for all life on Earth.

A. chemosynthesisB. PhotosynthesisC. EvaporationD. nitrogen fixation

8) During _______________, autotrophs use light energy to convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches.

A. biotic factorsB. abiotic factorsC. Non-renewable resourcesD. biomes

9) The biological influences on organisms within an ecosystem are called _______________.

A. food webB. habitatC. NicheD. food chain

10) The energy stored by producers can be passed through an ecosystem along a ________________, a series of steps in which organisms transfer energy by eating and being eaten.

A. ecological pyramidB. BiosphereC. BiomeD. green revolution

11) A(n) ________________ is a diagram that shows the relative amounts of energy or matter contained within each trophic level in a food chain or food web.

A. BiosphereB. BiomeC. NicheD. Habitat

12) A _______________ is a group of ecosystems that have the same climate and dominant communities.

A. CommunitiesB. biotic factorsC. abiotic factorsD. trophic levels

13) Physical, or nonliving, factors that shape ecosystems are _______________.

A. SpeciesB. PopulationC. NicheD. community

14) A group of individuals of the same species that live in the same area is known as a _______________.

A. SpeciesB. PopulationC. NicheD. community

15) A __________________ is a variety of different populations that live together in a defined area.

A. CarnivoreB. HerbivoreC. DetritivoreD. producer

16) An organism that obtains energy by eating animals are known as _______________.

A. food webB. trophic levelC. food chainD. community

17) A network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem is a _________________ .

A. PhotosynthesisB. Cell RespirationC. ChemosynthesisD. Fermentation

18) ________________ is the process by which some organisms use chemical energy to produce carbohydrates.

A. ConsumerB. ProducerC. DecomposerD. heterotroph

19) A _______________ is an organism that can captures energy from sunlight or chemicals and use it to produce food from inorganic compounds.

A. BiomassB. BiosphereC. food chainD. niche

20) The total amount of living tissue within a given trophic level is known as _______________.

A. BiosphereB. Limiting nutrientsC. Biogeochemical cycleD. Community

21) _________________ is the process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another.

A. CarbohydrateB. NutrientC. SunlightD. Water

22) ________________ is any chemical substance that an organism requires to live.

ChemosynthesisPhotosynthesisEvaporationNitrogen fixation

23) _________________ is the process of converting nitrogen gas into ammonia.

A. ConservationB. BiodiversityC. invasive speciesD. extinction

24) In ecology, the term _______________ is used to describe wise management of natural resources, including the preservation of habitats and wildlife.

A. a biotic factorB. an abiotic factorC. BiodiversityD. a population

25) The Sum total of the variety of organisms in the biosphere is called _______________.

A. BiologyB. EcologyC. ChemistryD. physics

26) _________________ is the science that seeks to understand the living world.

A. MutualismB. CommensalismC. ParasitismD. Alleopathy

27) Green ants protect mango trees from insects that can damage the tree and in return the ants are given shelter and food. What type of symbiotic relationships is this?

A. Quadrat methodB. Direct observationC. Indirect observationD. Capture-Mark Recapture

method

28) 25 members of a fish population are captured and tagged. They are then released . Some time later, 15 fish are recaptured and tagged. What sampling method is this?

A. The reduced number of sweat glands

B. The production of concentrated urine

C. A small body sizeD. Leaves that are narrow or reduced

to spines

29) Which of the following is not an adaptation to reduce water loss?

A. TemperatureB. FoodC. MoistureD. Acidity

30) Which of the following is not an example of abiotic factors?