Vocabulary
external, structure, function, adapt, environment, predator, prey, structure, function, behavior, external structures, internal structures, petals, leaves, stem, flowers, roots, thorns, prickles, stimulus, reproduction, pollen, pollination, stamens, pistils, sepal, seeds, ovary, stigma, organism, vertebrate, invertebrate, lungs, heart, stomach, internal structures, internal, external, structures, roots, vascular plants, metabolism, defense mechanism, thorns, poison, petals, pollination, predators, pathogens, photosynthesis, leaves, ovary, petals, sepals, ovary, ovules, fertilization, stigma, stamen, pollen, pathogens, evolution, chloroplasts, petal, seed, water, nutrients, soil, external structures, internal structures, roots, vascular, stem, photosynthesis, reproduction, stamen, pollen, pistil, pollination, germinate, root, stem, leaf, flower, fruit, thorn, prickle, fertilizer, photosynthesis, defense mechanism, plant, thorn, internal structure, external structure, archaic, reproduce, seed, spore, vascular, nonvascular, seedless, fern, pollinator, pollinate, nectar, stigma, stamen, ovule, ovary, structure, function, behavior, external structures, internal structures, petals, leaves, stem, flowers, roots, thorns, prickles, stimulus, reproduction, pollen, pollination, stamens, pistils, sepal, seeds, ovary, stigma, organism, vertebrate, invertebrate, lungs, heart, stomach, internal structures, internal, external, structures, roots, vascular plants, metabolism, defense mechanism, thorns, poison, petals, pollination, predators, pathogens, photosynthesis, leaves, ovary, petals, sepals, ovary, ovules, fertilization, stigma, stamen, pollen, pathogens, evolution, chloroplasts, petal, seed, water, nutrients, soil, external structures, internal structures, roots, vascular, stem, photosynthesis, reproduction, stamen, pollen, pistil, pollination, germinate, root, stem, leaf, flower, fruit, thorn, prickle, fertilizer, photosynthesis, defense mechanism, plant, thorn, internal structure, external structure, archaic, reproduce, seed, spore, vascular, nonvascular, seedless, fern, pollinator, pollinate, nectar, stigma, stamen, ovule, ovary, organism, vertebrate, invertebrate, lungs, heart, stomach, internal structures, internal, external, structures, roots, vascular plants, metabolism, defense mechanism, thorns, poison, petals, pollination, predators, pathogens, photosynthesis, leaves, ovary, petals, sepals, ovary, ovules, fertilization, stigma, stamen, pollen, pathogens, evolution, chloroplasts, petal, seed, water, nutrients, soil, external structures, internal structures, roots, vascular, stem, photosynthesis, reproduction, stamen, pollen, pistil, pollination, germinate, root, stem, leaf, flower, fruit, thorn, prickle, fertilizer, photosynthesis, defense mechanism, plant, thorn, internal structure, external structure, archaic, reproduce, seed, spore, vascular, nonvascular, seedless, fern, pollinator, pollinate, nectar, stigma, stamen, ovule, ovary, internal, external, structures, roots, vascular plants, metabolism, defense mechanism, thorns, poison, petals, pollination, predators, pathogens, photosynthesis, leaves, ovary, petals, sepals, ovary, ovules, fertilization, stigma, stamen, pollen, pathogens, evolution, chloroplasts, petal, seed, water, nutrients, soil, external structures, internal structures, roots, vascular, stem, photosynthesis, reproduction, stamen, pollen, pistil, pollination, germinate, root, stem, leaf, flower, fruit, thorn, prickle, fertilizer, photosynthesis, defense mechanism, plant, thorn, internal structure, external structure, archaic, reproduce, seed, spore, vascular, nonvascular, seedless, fern, pollinator, pollinate, nectar, stigma, stamen, ovule, ovary, petal, seed, water, nutrients, soil, external structures, internal structures, roots, vascular, stem, photosynthesis, reproduction, stamen, pollen, pistil, pollination, germinate, root, stem, leaf, flower, fruit, thorn, prickle, fertilizer, photosynthesis, defense mechanism, plant, thorn, internal structure, external structure, archaic, reproduce, seed, spore, vascular, nonvascular, seedless, fern, pollinator, pollinate, nectar, stigma, stamen, ovule, ovary, germinate, root, stem, leaf, flower, fruit, thorn, prickle, fertilizer, photosynthesis, defense mechanism, plant, thorn, internal structure, external structure, archaic, reproduce, seed, spore, vascular, nonvascular, seedless, fern, pollinator, pollinate, nectar, stigma, stamen, ovule, ovary, roots, stems, leaves, flowers, fruits, structure, function, internal, external, growth, survival, behavior, reproduction