What are the keywords in the following sentence? the small leaves are covered by the flowers .
cover, flower, leave

What are the keywords in the following sentence? An airport and plane unloading passengers with luggage.
airport, plane, unload

What are the keywords in the following sentence? plus size mother of the bride
bride, mother, size

What are the keywords in the following sentence? what is ecology the study of how organisms interact with each other and with their environments
environment, organism, study