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20 Cards in this Set
- Front
- Back
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what are the two types of roots? |
taproot and fibrous |
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what is germination? |
when seeds start to grow; they remain dormant until conditions are right: WOW- Warmth Oxygen Water |
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what are the parts of a seed? |
COME BACK TO |
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what are the types of dispersal for spores? |
COME BACK TO |
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gymnosperm vs. angiosperm |
gymnosperm: does not have flower, produces seeds, "bare seed" angiosperm: has seeds and protects seeds with fruit, has flower, "covered seed" |
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what are the parts of a fern? |
fronds-fern leaves; sori/sorus- underside of leaves and produce spores; rhizome- true stem that contains vascular tissue |
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what is a cork? |
outermost layer of bark |
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what is cork cambium? |
layer of living cells underneath dead cork cells that constantly divide using mitosis |
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what is bark? |
thin ring of phloem and tissue on the outside of the tree trunk |
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what are the parts of a bryophyte? |
capsule, stalk, leaves, main axis, rhizoids, sporophyte, and gametophyte |
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vascular tissues vs. diffusion |
vascular tissues- moves water and other materials in some plants diffusion- movement of molecules from a region of higher concentration to a region with lower concentration |
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what are the parts of leaves? |
(waxy) cuticle, chloroplast, xylem, phloem, stomata, palisade layer, spongy layer, and veins |
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haploid vs. diploid |
haploid- the presence of a single set of chromosome in an organism's cells diploid- two sets of chromosomes, one from each parent |
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what helps plants stand up? |
turgor pressure- a kind of pressure caused by the presence of water in a plant's central vacuoles |
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monocots vs. dicots |
monocots- seeds made up of only one piece dicots- seeds with two halves |
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herbaceous vs. woody |
herbaceous- softer and more flexible type of stem woody- stems that are hard and not very flexible |
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what does fibrous mean? |
clusters of roots that are all about equal in size |
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what are nodes? |
COME BACK TO |
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what are the tropisms? |
light- phototropism gravity- gravitropism touch- thigmotropism |
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what are the four main hormones in a plant? |
auxins, cytokinins, abscisic acid, and ethylene |
