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19 Cards in this Set
- Front
- Back
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Wind Dispersal
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dust-like seedsseeds possess plumes that make them buoyant (dandelion)
wings that increase surface area, helps them be blown away by the wind (helicopters) |
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water dispersal |
seeds contain abundant air filled spaces that increase buoyancy thick seed coat that keeps them from getting waterlogged (coconut) |
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animal dispersal |
seeds may have spines or hooks that help them adhere to fur or feathers (burdock) |
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succulents |
thick fleshy plants surface area\ volume ratios of a succulent leaf v. an ordinary leaf is lower for succulents includes cacti |
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cacti |
only native in the new world. in other parts of the word there are plants that look like cacti but are not bruh |
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armature |
good defense against large herbivores many plants (especially desert plants) are armed with an array of spines, thorns, and prickles not a good defense against small herbivores such as insects |
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broad-leaved trees |
flat thin leaves major reason to lose leaves - stop damage due to weight of snow on branches photosynthesis in broad leaves wont take place when 40 degrees F injured when temp falls below freezing lose a lot of water due to evaporation |
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stomates* |
small holes on the leaf surface through which gases can pass there are more stomates on the underside than on top of leaf |
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guard cells* |
cells that surround the stomate opening. |
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vines |
plants that are unable to hold themselves up but must rely on something else for support they use 3 methods to hold onto and ascent whatever support they use |
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aerial roots |
roots that grow from stems that are above ground |
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tendrils |
wire-like structures that function in the support of vines by wrapping around other structures |
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twining stems |
the whole stem wraps around a support. |
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carrots |
root stores energy the first year of its life reproduction 2nd year when energy is used and a flower grows |
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allelochemic |
a chemical produced by a plant to inhibit or repel other plants and animals major defense that plants use against small herbivores like insects. |
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cuticle |
waxy coating on the surface of leaves. helps to prevent the loss of water from the body of the plant |
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winter buds |
each is covered with over lapping scales the scales protect the delicate tissues from freeze-drying (but not really against freezing. |
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carnivorous plants |
eat small animals (insects) as supplements to the nutrients taken from the soil each type of plant has evolved a modification of its leaves to capture and digest the animals the insects have nitrogen which they need they dont have muscles they use water pressure changes in cell size to close traps |
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you win nigga |
yay |
