Practice Question Preview (ID: 2150)
Practice.
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Parasites
a) coevolve with their hosts
b) are usually smaller than their hosts
c) rarely kill their hosts
d) all of these
The primary producers in a grassland ecosystem would most likely be
a) algae
b) insects
c) bacteria
d) grasses
In a food web, which type of organism receives energy from every other type?
a) carnivore
b) producer
c) decomposer
d) herbivore
The heat-trapping ability of some gases in the atmosphere can be compared to
a) the way glass traps heat in a greenhouse
b) condensation because of heating
c) heating water on a stove
d) the melting of snow
Refer to the illustration. What is shown
a) oligotrophy
b) succession
c) competitive exclusion
d) symbiosis
Biodiversity measures the number of species living within an
a) ecosystem
b) habitat
c) organism
d) community
Which only eats meat?
a) decomposer
b) herbivore
c) carnivore
d) omnivore
Which only eats plants?
a) decomposer
b) herbivore
c) carnivore
d) omnivore
Which eats plants and animals?
a) scavenger
b) herbivore
c) carnivore
d) omnivore
Which is an abiotic factore?
a) rock
b) dogs
c) cats
d) fish
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