Multiple Choice
In a cladogram showing the evolutionary relationships among mammals, which of the following groups would be most closely related to the giraffe (Giraffa camelopardalis)?
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1. Introduction to Biology
Introduction to Taxonomy
Multiple Choice
In addition to seeds, which of the following characteristics is unique to seed-producing plants?
A
Alternation of generations
B
Presence of pollen grains
C
Cell walls made of cellulose
D
Photosynthetic ability
Verified step by step guidance1
Understand the concept of seed-producing plants: Seed-producing plants, also known as spermatophytes, include gymnosperms and angiosperms. They have unique adaptations that distinguish them from other plant groups.
Review the characteristic 'Alternation of generations': This is a common feature in all plants, not unique to seed-producing plants. It refers to the life cycle alternating between a haploid gametophyte and a diploid sporophyte generation.
Examine 'Cell walls made of cellulose': This is a universal trait of all plants, algae, and some protists. It is not specific to seed-producing plants.
Analyze 'Photosynthetic ability': Photosynthesis is a shared characteristic among most plants, algae, and some bacteria. It is not exclusive to seed-producing plants.
Focus on 'Presence of pollen grains': Pollen grains are unique to seed-producing plants. They are male gametophytes that facilitate reproduction without the need for water, a key adaptation for terrestrial environments.
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