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The generation indicated by letter A is:

In the Ceratopteris recitation, the relationship between gametophyte density and the proportion of hermaphrodites was slightly negative.

Secondary growth occurs at a ___________ meristem called the ________________________.

Which of the following is a non-vascular land plant? 

All spermatophytes are heterosporous.

We discussed an experiment involving the Physarum that is often conducted by students in this class. The experiment involved monitoring how fast and how accurate the decisions were for both starved physarum and well-fed physarum. Typically, the _______________ Physarum made their decision the fastest and the ___________ physarum made the most accurate decisions.

The main stage of mosses that we see in nature is the sporophyte.

This bacterium is: 

This structure is involved with metabolism.

Mycobacteria spp.  do not stain well with the Gram stain procedure, but they are known to be Gram ____