Practice Test Question Preview (ID: 56323)


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Which example best describes the smallest level of organization within an ecosystem?
a) Tree frogs in a rainforest
b) A tree frog in a rainforest
c) Tree frogs, ferns, mosquitos, and lizards in a rainforest
d) Tree frogs, ferns, rain, sunlight, and clouds in a rainforest

What parts of a classroom aquarium ecosystem are abiotic?
a) Water, rocks, algae
b) Water, rocks, air
c) Plants, rocks, air
d) Fish, plants, coral

Which of the following is a biotic factor of the ecosystem that humans interact with on a daily basis?
a) Food we eat
b) Oxygen we inhale
c) Water we drink
d) Carbon dioxide we exhale

Which pair of words best represents the relationship between the following words? Example: book – library
a) biotic – abiotic
b) organism – ecosystem
c) theory – law
d) hydrogen-oxygen

Which of these is an abiotic element in an ecosystem?
a) the average yearly rainfall in the ecosystem
b) the types of producers found in the ecosystem
c) the size of a predator population in the ecosystem
d) the microorganisms living in the soil of the ecosystem

A student is conducting a pendulum experiment. Which of the following pieces of safety equipment would be the most vital to conduct this test?
a) Protective Eye Goggles
b) Rubber Gloves
c) Protective Apron
d) Heat Resistant Gloves

What do the arrows represent in a food chain?
a) The order of size of organisms in the ecosystem
b) The importance of organisms in the chain
c) The direction of energy flow through organisms
d) The energy increases as you move from left to right

Which are two abiotic factors that affect the survival of aquatic organisms?
a) phytoplankton and lilies
b) water quality and sunlight
c) grasses and duck
d) turtles and deer

Which sentence best describes how energy flows through this pyramid?
a) Energy is transferred down each level of the energy pyramid.
b) The energy lost at each level is consumed by organisms at the top level.
c) Energy is transferred from organisms in one level to those in the level above.
d) The organisms at the bottom level provide energy directly to organisms in all the other levels.

A student recently recorded field observations in their notebook as shown below. Trees, Rocks, Birds, Lake, Snake, Cloudy Sky, and Warm Temperatures. Which level of organization is represented by the student’s observations?
a) Population
b) Ecosystem
c) Organism
d) Community

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