Multiple Choice
Why are seedless vascular plants considered paraphyletic rather than monophyletic?
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28. Plants
Seedless Vascular Plants
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In the life cycle of ferns, the multicellular female gametangium (the sex organ that contains an egg) is a(n) __________.
A
antheridium
B
frond
C
rhizome
D
sporangium
E
archegonium
Verified step by step guidance1
Understand the life cycle of ferns, which includes both a sporophyte and a gametophyte stage. The gametophyte stage is where gametes are produced.
Recognize that in plants, a gametangium is a structure where gametes are formed. There are two types: antheridia (male) and archegonia (female).
Identify that the female gametangium, which contains the egg, is called the archegonium.
Differentiate between the terms provided: antheridium (male gametangium), frond (leaf of a fern), rhizome (underground stem), and sporangium (structure where spores are produced).
Conclude that the multicellular female gametangium in ferns is the archegonium, as it is the structure that contains the egg.
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