Three different freshwater ecosystems are
-Lotic
-Lentic
-Wetlands
I don’t know the second question...
A simple leaf blade is undivided as shown on the left (though the margins may be toothed or even lobed). The blade of a compound leaf is divided into several leaflets as shown on the right. ... Each leaf, whether simple or compound, has a bud at its base (on the twig). There are no buds at the base of each leaflet.
The answer is Habitat. I'm 100% sure it is.
I dont understand what is being asked
Adaptation is the correct answer