Mark the correct answer on your scantron form. A new taxonomic category, the Domain, has been recently introduced. They convert atmospheric nitrogen to a form which is useful to plants. Like algae, the cyanobacteria are grouped in the Kingdom Protista. They are part of the cytoskeleton.
Most eukaryotic cells have a nucleus.
In cells with secondary cell walls, the primary pit field becomes the pit membrane. It receives environmental signals. In your Mini-Essay Book write TWO complete sentences that demonstrate your understanding of the term. Answer the series of questions which pertain to the life cycle diagram by writing the answers in your Mini-Essay Book. Use complete sentences.