Question

1. kelli and komar want to determine if the grass in the ecosystem is unicellular or multicellular. which investigation would best help them? measure the length of the cells in the organism count the number of cells in the organism observe the shape of the cells in the organism measure the mass of the cells in the organism clear all

Explanation:

Unicellular organisms have one cell while multicellular have many. Counting cells determines this. Measuring length, observing shape, or measuring mass doesn't distinguish between uni - and multi - cellular nature.

Answer:

Count the number of cells in the organism