The answer is number 3. Species E and J
species
Plants are in the lowest trophic level of an ecosystem. Their level is the lowest because the needs of plants are the least complex compared to the other organisms present in an ecosystem.
B. koalas that eat only eucalyptus leaves done
cell tissue organ organ system organism (species) population community ecosystem biosphere (ecosphere)
the organisms with the highest population are the producers and th least is the tertiary organisms.
species
species
Plants are in the lowest trophic level of an ecosystem. Their level is the lowest because the needs of plants are the least complex compared to the other organisms present in an ecosystem.
desert
When environmental conditions change it is more likely that at least some members of a species will survive if there is variation among the members.
wet land
B. koalas that eat only eucalyptus leaves done
All the Swan species are in Least Concern status which means that there are thousands of individuals in each species present in the wild.
It is called a Wetland
decreasing the amount of dissolved oxygen in the oceans
It is least likely to be in pure competition.
there is variation among the members.