Ecology 2: Question Preview (ID: 14858)

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Which factor contributes to global warming?
a) increased use of solar-powered cars
b) increased burning of fossil fuels
c) better long-term weather forecasts
d) changing distance between Earth and Sun

Which event is the best example of competition between species in a pond environment?
a) dragonflies
b) frogs and toads eating flies
c) lizards and snakes lying in the sun
d) hawks eating mice

What is the result of cellular respiration?
a) energy for cell processes is released
b) oxygen is released for photosynthesis
c) cells undergo decomposition
d) nutrients are excreted to prevent the buildup of body fat

When a person breathes, the lungs absorb oxygen, which is used by cells to carry out the process of
a) secretion
b) photosynthesis
c) excretion
d) respiration

What is the original source of energy for any ecosystem?
a) wather
b) sun
c) oxygen
d) carbon dioxide

Why are bacteria and fungi necessary in an ecosystem?
a) They are producers
b) They are decomposers
c) They are herbivores
d) They are carnivores

An organism that hunts another is called a
a) producer
b) autotroph
c) predator
d) prey

An organism that eats both plants and animals is called a
a) producer
b) herbivore
c) carnivore
d) omnivore

The base or first level in an energy pyramid is always the
a) consumer
b) producer
c) herbivore
d) carnivore

Which of the following organisms is an herbivore?
a) lion
b) bacteria
c) tree
d) hawk

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