6 Identify the following characteristics or examples as belonging to the phyla H

Question

6 Identify the following characteristics or examples as belonging to the phyla Hepatophyta, Anthocerophyta, or Bryophyta, using the following key (some choices may pertain to two or three phyla): A Anthocerophyta B Bryophyta B These lack vascular tissue. The thallus contains pores and cavities filled with mucilage. Sphagnum is an example. The "leaves" lack a thick midrib. 3 These have a flattened, liver-shaped body. Anthoceros is an example. Many species of this group develop symbiotic relationships with fungi and are known as mycorrhizae. These have rhizoids. The gametophyte stage consists of small, spirally arranged, leaflike structures surrounding a central axis. These harbor nitrogen-fixing bacteria found in a rich mucus. These lack true roots, stems, and leaves. Marchantia is an example. The sporophyte is a tall stalk with a capsule on top. 3 21

Explanation / Answer

A             The thallus contains pores and cavities filled with mucilage

H            The leaves lack a thin midrib

A             Anthoceros is an example

H            Many species of this group develop symbiotic relationship with fungi and are known as mycorrhizae.

A             The harbor nitrogen-fixing bacteria found in a rich mucus.

B             These lack true roots, stem and leaves

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