terrestrial

definition: 
Of, on, or relating to the earth
sentence: 
Concerns about global climate change and predicted changes in terrestrial ecosystems highlight the need for the accurate quantification of productivity at all scales. Clearly we still have a ways to go before oceans and marine wildlife receive the same level of attention afforded to terrestrial ecosystems.
difficulty: 
easy
toefl frequency: 
2
toefl classification: