WebThey are primitive plants and lack seeds, wood, fruit and flowers. As with the ferns, lycophytes produce spores for reproduction and are both wind-pollinated and dispersed. The phylum lycophyta is believed to be the oldest remaining group of all the vascular plants and are thought to have evolved more than 400 million years ago. WebMembers of this group share the following characteristics: Morphology: Unicellular to multicellular, no flagellated stages. Cells of multicellular species are connected via incomplete cytokinesis, resulting in pit connections. …

Characteristics of Reptiles Biology for Majors II - Lumen Learning

WebTheir pigmentation can vary depending on where they are living. Rhodophytes in deeper waters are typically a dark red, almost black color, while those in medium depths are bright red. In shallow... WebStudy with Quizlet and memorize flashcards containing terms like 22.1 Based on our current understanding about the composition of the ancient atmosphere, order the following types of prokaryotes from those that arose the earliest to more recently., 22.1 Although there is no current evidence of life on Mars, it is thought that extremophile prokaryotes may be able … phil armas

Module 6 LO Plants 16 Weeks.pdf - Learning Objectives...

WebMar 6, 2015 · Ferns. With over a quarter of a million plant species estimated to be living today, 13,000 may seem like a drop in the bucket, but ferns actually show a major evolutionary step for plants as we know them today (Pearson Education, 2015). Ferns contain a variety of different types of plants under the supergroup archaeoplastida. WebThe distinguishing features of the lycophytes are the arrangement of their vascular tissues and their leaves—microphylls with only a single vascular strand. The sporangia on the modern plants are kidney-shaped, like those of the ancestral forms, and borne on sporophylls clustered in strobili. http://palaeos.com/plants/plants2.html phil armistead