Which of the following is not a freshman ecosystem ? a. lakes b. rivers c. seas d. springs

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

Which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes? a. amoebas b. water molds c. ciliates d. slime molds

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.