One Adaptation That Was Necessary for Charophytes to Move onto Land

question 70

Multiple Choice

One adaptation that was necessary for charophytes to move onto land was the protection of the embryo from desiccation. In mosses, the embryo, called a developing sporophyte, is

• A) protected within the archegonium and nourished by the "foot" growing down into the gametophyte tissue.
• B) protected by the antheridia and nourished by the rhizoids.
• C) protected by the protonema and nourished by the "foot" growing down into the gametophyte.
• D) protected within the antheridia and nourished by the "foot" growing down into the sporophyte tissue.
• E) not protected since mosses are not vascular plants.

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Definitions:

Organized Whole

A principle often related to Gestalt psychology, emphasizing that the total of any given situation or entity is more than the sum of its parts.

Size Constancy

A perceptual phenomenon where the perceived size of an object remains the same, despite changes in the size of the object's image on the retina.

Object Constancy

Correctly perceiving objects as staying the same in their size, shape, color, and lightness, across viewing conditions that yield different physical input to the eyes.

Wavelengths

The spacing between consecutive peaks of a wave, particularly in sound waves or electromagnetic waves.