Which statement is not true of the mosses? a. The sporophyte...

Name: Problem 5, Chapter 28: Life: The Science of Biology
Uploaded: 2021-04-16T21:23:36-08:00
Duration: 1 min 29 s
Channel: Christina Sorrentino
Description: Which statement is not true of the mosses? a. The sporophyte is dependent on the gametophyte. b. Sperm are produced in archegonia. c. There are more species of mosses than of liverworts and hornworts combined. d. The sporophyte grows by apical cell division. e. Mosses are probably sister to the vascular plants plus hornworts.

Which statement is not true of the mosses? a. The sporophyte is dependent on the gametophyte. b. Sperm are produced in archegonia. c. There are more species of mosses than of liverworts and hornworts combined. d. The sporophyte grows by apical cell division. e. Mosses are probably sister to the vascular plants plus hornworts.

Which statement is not true of the mosses?
a. The sporophyte is dependent on the gametophyte.
b. Sperm are produced in archegonia.
c. There are more species of mosses than of liverworts and hornworts combined.
d. The sporophyte grows by apical cell division.
e. Mosses are probably sister to the vascular plants plus hornworts.

Key Concepts

Apical Cell Division

Many moss sporophytes grow through apical cell division, a process where a single dividing cell at the tip contributes to the elongation and development of the structure. This mode of growth is integral to understanding the formation of the sporophyte in these plants.

Sexual Reproduction in Bryophytes

Sexual reproduction in bryophytes involves specialized reproductive structures. Archegonia produce eggs on the gametophyte, and separate structures (antheridia) produce sperm, facilitating the fertilization process essential for forming the sporophyte.

Phylogenetic Relationships among Land Plants

The study of evolutionary relationships among land plants, including those between bryophytes and vascular plants, utilizes morphological and genetic traits to elucidate their divergence. These phylogenetic insights are crucial for interpreting how various plant groups are related and have evolved over time.

Bryophyte Life Cycle

Bryophytes exhibit an alternation of generations where the gametophyte is the dominant, free-living stage while the sporophyte is dependent on it for nutrition and support. This life cycle is fundamental to understanding their development and reproduction, highlighting the interdependency of the two phases.

Dependent Sporophyte

In bryophytes, the sporophyte is structurally and nutritionally reliant on the gametophyte, contrasting with many vascular plants where the sporophyte is the independent, dominant form. This dependency is a key characteristic that defines the biology of non-vascular land plants.

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