oxygen in aquatic environments is mixed into the water

this is in charge of making new phloem and xylem cells

an organism that lives onor in another living thing (called a host), getting food or something beneficial from the host while harming them in the process.

this is the type of forest that we have in Illinois now

animals with no backbone

when ticks climb to the tips of vegetation and extend their front legs, waiting for a possible host to pass by

the top layer of a forest

float on the surface of the water and get nutrients from the water column.

single, undivided blade

movement of extra nutrients into the water

arrangement where a single leaf grows from each node on a plant stem

wide xylem tubes made when there's a lot of water in the soil