upon close inspection of movement in annelids and nematodes, you would notice an obvious difference. nematodes tend to wriggle back and forth, while annelids tend to contract along their length as their girth swells and then thin out as they stretch. what anatomical feature explains this type of movement?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

About how much of the cell mass is watet

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?