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Behavioral Adaptation of Plants

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Behavioral Adaptation of Plants

Behavioral Adaptation of Plants. Plants survive in extremely harsh environments, ranging from extreme cold to extreme heat to severe drought, and behavioral adaptions are one way that they do it. While structural adaptions include things like water storage organs and deep root structures, behavioral adaptions refer to actions that the plant takes...

Plants survive in extremely harsh environments, ranging from extreme cold to extreme heat to severe drought, and behavioral adaptions are one way that they do it. While structural adaptions include things like water storage organs and deep root structures, behavioral adaptions refer to actions that the plant takes in order to survive and thrive.
Night Blooming
According to the website of the Missouri Botanical Garden, desert plants have flowers that open at night because there are more pollinators active during the cool hours. Rather than opening during the heat of the day, when most animal and insect pollinators would be asleep or otherwise inactive, these plants only expose their pollen when it has the best chance of being spread. One example of a desert plant with a nocturnal blooming habit includes the night-blooming cereus.
Climbing
In the rain forest, the area underneath the canopy of trees only receives a small amount of light due to the canopy above. While many plants on the forest floor survive with lower light needs, other plants climb up towards the light. Lianas are woody vines that begin on the forest floor as small, hardy shrubs. As they mature, they begin to climb up the surrounding trees. As they do not need to allocate resources to support and stability, they grow leaves and tendrils very quickly. According to the environmental news site Mongabay.com, some larger lianas can grow to be more than 3,000 feet long in their search for light.
Tumbling
Some plants that grow in arid climates simply break away from their roots, dry out and begin to roll with the wind. According to Desert USA, Russian tumbleweed, also known as Russian thistle, does precisely this; as it rolls, it spreads its seeds to the various places that the wind takes it. When the plant senses that moisture is available, it unrolls, puts down roots and germinates, turning from a dry bundle of twigs to a flowering green bush. This adaption allows the plant to remove itself from environments that grow too dry to support it while also allowing the plant to spread its seeds to new places. Tumble panic-grass and Russian pigweed have similar habits.

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