1- In an aquatic ecosystem, the aquatic plants are eaten by
small invertebrates that in turn are eaten by crayfish, which are
eaten by fish, which are then eaten by ducks. Based on this,
which of the following is incorrectly matched?
aquatic plant - producer
crayfish - secondary consumer
duck - 4th trophic level
fish - tertiary consumer
small invertebrates - 2nd trophic level
2- Different populations living in the same geographical region
is a(n)
organism.
population.
community.
ecosystem.
biosphere.
3- The most exclusive level of biological organization that is
listed below is
ecosystems.
biomes.
the biosphere.
communities.
populations.
4-Which of the following terrestrial ecosystems is a very cold
northern coniferous forest?
taiga
tropical rainforest
temperate rainforest
prairie
tundra
5- Which of the following is an example of an
ecosystem?
zebras and the lions that prey on them
a coral reef together with all the fishes and invertebrates
living in and around it
flowering plants and all the insects and birds that pollinate
them
male prairie chickens competing for access to mates
rabbits eating carrots