The answer is:
Ecosystem → Costa Rica Rainforest
Population→All the Birds that live in Juan Castro Blanco National Park, Costa Rica
.
Species → Scarlet Macaws
Community →Scarlet Macaws that live in Juan Castro Blanco National Park, Costa Rica
The explanation:
when:
1) ecosystem is a community consist of biotic and abiotic, the biotic is the living and he abiotic is the non-living, It is include the relation between the organisms and it's environment.
2) population is the total number of people or birds or animals etc which exist in a certain region. for example the total number of pepole in china , or the whole number of lion in africa.
3) species is when any two individuals of the appropriate sexes or mating types can produce by sexual reproduction and form a large and huge group of organisms . genus is the first part of a binomial , which the species belongs to it.
4) community is individuals with a unified interest: such as. an group of people have the same interests living in a certain area abroad, so this area is a large community
