A biologist looks at an organism through a microscope. Which of the following observations tells the biologist that the organisms is eukaryotic?
O The organisms has a cell membrane
O The organisms is unicellular
O The organism moves with flagella
O The organism has a nucleus

O  The organism has a nucleus

O The organisms has a cell membrane

Explanation:

Eukaryotes are organisms whose cells contain a nucleus and other membrane-bound organelles. There is a wide range of eukaryotic organisms, including all animals, plants, fungi, and protists, as well as most algae. Eukaryotes may be either single-celled or multicellular.

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

"a.) well–developed vascular system."