Multiple Choice
Vascular plants have two main organ systems. What are they?
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28. Plants
Land Plants
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What adaptations allowed plants to thrive on dry land?
A
Production of spores that require water for fertilization
B
Development of vascular tissue
C
Dependence on aquatic environments for reproduction
D
Ability to photosynthesize underwater
Verified step by step guidance1
Understand the challenges plants faced when moving from aquatic to terrestrial environments, such as the need to obtain water and nutrients, support their structure, and reproduce without water.
Recognize that vascular tissue, which includes xylem and phloem, is crucial for transporting water and nutrients throughout the plant, allowing them to grow taller and access sunlight more effectively.
Identify that vascular tissue also provides structural support, enabling plants to stand upright and withstand the forces of wind and gravity on land.
Consider how the development of vascular tissue allowed plants to colonize a wider range of terrestrial environments, as they were no longer dependent on being close to water sources for survival.
Acknowledge that while some plants still rely on water for reproduction, the development of seeds and pollen in other plant groups further reduced their dependence on water, allowing them to thrive in drier conditions.
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