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| located on the bottom of dicot leaves, has large air gaps between and is loosely packed. monocots only have this kind of mesophyll. |
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| located on the uppser surface of dicot leaves. very tightly packed. only in dicots. |
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| the cells on the skin of the leaf, secrete a waxy cuticle, which prevents water loss. |
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| cells that control the opening and closing of stomata. when they are turgid, the stomata open, and when they are flaccid, the stomata close. exposure to light activates a proton pump, moving H+ ions out of the guard cells and causing water to flow into the guard cells. |
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| xylem is _______ the phloem in leaf veins. |
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Definition
| there is a negative pressure aided by the polar nature of water, causing it to adhere to the walls of xylem cells. the negative pressure is caused by the stomata. |
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| transpiration rates ________ with temperature. this is more obvious at _____ humidity |
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| as relative humidity ______, transpiration rates ________. this is more obvious at ______ temperatures. |
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| look like they did before. |
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| inferior ovaries are _____ the flower, and superior ovaries are _____ the flower. |
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| where everything grows from |
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filaments support the anther, anther produces pollen grains
MALE |
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stigma is sticky to catch pollen, the style joins the stigma to the ovary, the ovary contains ovules, and the placenta produces ovules. pistils are 1 carpel or several carpels fused
FEMALE |
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| dicots have petals in multiples of |
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Definition
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| monocots have petals in multiples of |
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Definition
| cover the surface of structures. |
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| subcategories of epithelial tissues |
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Definition
| protective covers organs to protect them, like skin. (simple and stratified). glandular secretes substances, has exocrine(outside secretion) and endocrine(inside secretion) glands |
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| connects cells together. can be liquid (blood) or solid (bone) |
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| smooth involuntary muscles, skeletal muscle and cardiac muscle. |
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Definition
| grey and white matter of the brain, nerves and ganglia. |
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| our skeleton is flattened ventro-dorsally because |
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Definition
| it allows for use to balance better |
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| our spine is s shaped because |
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Definition
| it puts our organs on a line and allows for balance |
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Definition
| to support the upper body and to allow females to pass babies |
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Term
| our gluteus maximus is bigger than a cat's because |
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Definition
| we need it to support our upper body, while a cat uses its quads to support its body. |
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Term
| endoskeletons are made of |
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Definition
| bone and cartiledge. both are made of collagen, but bone has calcium/sulpher salts as well, making it more rigid. |
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Term
| blood cell formation occurs in the |
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Definition
| bones, and is called hemopoiesis. |
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