Define Oogamy:

Which of the following is not a characteristic of true plants ?

Essay – Please answer 1 of the following. (10 points each)   1.  Please describe the life cycle of a typical fern. 2. Please discuss the criteria that are used to classify plants. 3. How are members of  the Division Chlorophyta similar to the true plants? How are they different?

Carrageenan is derived from the red algae.

Define Heterocyst:

Define Peristome:

Define Holdfast:

Which of the following divisions lacks a true cell wall ?

Define Holdfast:

The _______________are specialized cells in come Cyanobacteria that can fix nitrogen.