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Plants Vocabulary

Autotroph Provide / make their own food for energy through photosynthesis
Stimulus A change in the enviornment that makes a living thing react; for example: light, gravity, touch, water, and temperature
Response Reaction to a stimulus
Reproduction The ability of an organism to produce more organisms / offspring of the same kind
Asexual Reproduction The kind of reproduction from a part of a single living thing (needing one parent part)
Sexual Reproduction The kind of reproduction that results from the union of an egg and a sperm (needing 2 parents)
Egg A female reproductive cell; contained in the ovule of the flower
Sperm A male reproductive cell; contained in the pollen of the flower
Taxonomy A system of categorizing organisms based on shared observable characteristics
Kingdom The broadest level of classification / taxonomy; the 5 kingdom system is widely accepted
Genus A classification of closely related organisms
Phylum The first further classification of a kingdom; sometimes referred to as divisions in the plant kingdom
Species The smallest classification group; all organisms can produce offspring of the same kind
Scientific Name The name of an organism made up of its genus and species
Nonvascular Plants Plants without vessels to carry water, minerals, and food
Vascular Plants Plants with tube-like vessels that carry water, minerals, and food throughout the plant
Xylem Transports water and minerals from roots to the rest of the plant
Phloem Transports food from the leaves to the rest of the plant
Seed-Producing Plant Plants that reproduce through seeds; may be cone-bearing or flowering plants
Seed Plant part that contains the embryo (the beginnings of roots, stem, leaves), stored food (cotyledons), and seed coat from which new plant grows
Spore-Producing Plants Plants that reproduce through spores, such as ferns and mosses
Spore A single cell that grows into a new plant; the tiny reproductive cells in mosses and ferns
Cone-Bearing Plants Trees or shrubs that produce seeds in cones; most are evergreen plants
Flowering- Plants The variety of plants that grow seeds inside flowers; the flower may become a fruit
Monocot The plant seed has one food part; the plant has identifying structures
Dicot The plant seed has 2 food parts; the plant has identifying structures
Thorn Sharp outgrowths from the plant stem that help defend the plant
Thigmostropism The response by leaves to close when touched
Plant Poison Chemical substances designed to discourage animals from eating them
Leaf The part of the plant that collects sunlight and makes food
Stem The part of the plant that supports the plant, stores food, allows for movement of materials through vessels
Root The part of the plant that anchors the plant in the soil, absorbs water and minerals, and stores food
Root Hairs Extensions along the roots that increase the root surface area
Flower Part of a seed-producing plant that produces seeds
Petals The kind of brightly colored leaves inside the sepals that surround the reproductive organs, protecting and providing a places for visiting insects
Stamen The male part of the plant
Anther The thick part on top of the stamen where pollen grains form
Pollen The small, male reproductive body of a flowering, seed plant that contains the sperm (male reproductive cells)
Filament The slender stalk part of the stamen
Pistil The female reproductive organ in a plant
Stigma The part of the flower on which a pollen grain must stick in order for fertilization to take place; part of the pistil (top part) where pollen lands
Style Stalk-like part of the pistil (middle part) that connects the stigma and ovary
Ovary Contains the eggs in the plant's female reproductive organs; the part of the flower in which eggs develop
Ovule The part of the ovary that develops into a seed after fertilization
Pollination The process by which of pollen grains transfer from the stamen to the stigma
Fertilization When pollen from the stamen enters the ovule in the ovary of the flower
Germination The growth of an embryo; the early stage of seed growth
Vegetative Propagation The process of growing new plants from plant parts (tubers, bulbs, runners, cuttings, roots, and leaves)
Photosynthesis The process in which plants use chlorophyll and light to make sugar/food and oxygen
Chloroplasts Structures in plant cells that contain chlorophyll
Chlorophyll A green substance in plants that absorbs the light from the sun, so that the plant can carry on photosynthesis
Respiration The process by which sugar/food is broken down when combined with oxygen from the air
Transpiration The loss of water vapor through the stomata of a leaf
Guard Cells The pair of specialized cells that boarder a stoma
Stomata Specialized pores in plant leaves that enable gas exchanges to occur
Dormancy An inactive period of time when the plant or seed responds to harsh conditions
Tropism A response of a plant to its environment that involves growth / movement
Phototropism Plant growing toward light
Gravitropism Plant roods growing downward
Hyrdrotropism Plant growth toward water
Thigmotropism Plant movement in response to touch
Fungi A kingdom of organisms that do not contain chlorophyll (for example: yeast, mushrooms, and molds) and cannot make their own food
Created by: jmarek15