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Plant Test
| Question | Answer |
|---|---|
| What is a cell? | smallest, most basic unit of an organism |
| List the parts of an Animal Cell. | cell membrane, nucleus, cytoplasm |
| List the parts of a Plant Cell. | cell membrane, nucleus, cytoplasm, chloroplast, cell wall |
| What is the difference between an animal cell and a plant cell? | a plant cell contains chloroplast and a cell wall |
| List in order from most basic form to most complex | cells tissues organs organ systems organisms |
| Chloroplast: What is its function? | The chloroplast is what makes the color green. This is where food is made through photosynthesis. |
| Cell Wall: What is its function? | This is on the outside of the cell membrane. It is a protective covering and this is what gives the cell its rigid structure. |
| Where are they mostly located? | Most plants live on land Some have adapted to wetland life |
| Plants are broken down into two main groups. What are they? | Vascular or Nonvascular |
| Are plants autotrophs or heterotrophs? | autotrophs |
| Are plants multicellular or unicellular? | multicellular |
| Vascular: | roots makes up about 80% of all plants these plants have special tissue in their stems to move water and nutrients up and down tissues allow plants to grow much taller grow in dry places |
| Nonvascular: | no roots includes mosses, liverworts and ferns small in size, not tall found in wet places |
| What are the parts of a plant? | roots, leaf, stem, flower (some) |
| What is the function of the root? | to anchor the plant so it does not fall over absorbs water and minerals from soil |
| What is the function of the stem? | supports the plant, |
| What is the function of the leaf? | photosynthesis takes place here |
| What is the function of the flower? | Reproduction |
| Pollination | pollen is transferred from the male reproductive organs to the female reproductive organs to form seeds |
| Fertilization | process that makes new seeds which grow into plants |
| Seed Dispersal | scattering of seeds dispersed by wind, animals and water |
| Germination | seed absorbs water; uses its stored food to begin to grow embryo’s roots grow downward the stem and leaves grow upward |
| cone: | gymnosperms reproductive structure |
| ovule: | structure on female cone that contains eggs (female sex cell) |
| pollen: | structure on male cone that contains sperm (male sex cell) |
| pollination: | transfer of pollen (wind, water, animals, human) |
| fertilization: | pollen (sperm) and ovule (egg) unite to form seed |
| seed: | structure that forms into a new plant |
| seed dispersal: | transfer of seeds by wind, water or animals |
| gametophyte stage: | part of life cycle involving egg & sperm |
| sporophyte stage: | part of life cycle involving seed |
| Stamen - | male reproductive part |
| Anther- | produces pollen |
| Filament- | stalk that supports anther |
| Sepal- | protects developing flower |
| Stigma- | sticky tip of pistil that collects pollen |
| Style- | hollow tube that collects stigma to ovary |
| Ovary- | structure where seed develops, contains egg |
| Petal- | attracts insects and pollinators to flowers |
| Pistil- | female reproductive part |
| Flowering Plant | angiosperm |
| Non-Flowering Plant | gymnosperm |
| Angiosperm | vascular plants produces flowers and fruit with one or more seeds seeds held inside/fruit flowering plant made up of monocot and dicot plants reproduction: inside the flower angiosperms make up more that 8-% of all plants species (roses to palm tree |
| Gymnosperm | vascular plant produces seeds that are not protected by fruit seeds held inside cone naked seed seed not enclosed in ovule non-flowering plant reproduction: male and female cones mainly represented by tree species Ex. pines, cedars, spruces, furs |
| What are the 3 main parts of the seed? | seed coat, embryo, cotyledon |
| What is the function of the seed coat? | the outer covering of a seed which protects the embryo and food from drying out |
| What is the function of the embryo? | a young plant that develops from a fertilized egg |
| What is the function of the cotyledon? | seed leaves food is stored in cotyledon in some seeds (bean plants) |
| Monocot | one seed leaf (cotyledon) |
| Dicot | multiple seeds (cotyledon) |
| Photosynthesis | Sun + Water (H20) + Carbon Dioxide (CO2) ------> Food (glucose) + Oxygen (O2) |
| What is tropism? | plant growth in response to a stimulus |
| What are 4 types of tropism? | phototropism, thigmotropism, gravitropism, photoperiodism |
| Phototropism | “photo” means light growth response of a plant to the direction of the light |
| Thigmotropism | growth of a plant in response to touch/contact |
| Gravitropism | a plants response to gravity |
| Independent Variable | The independent variable in an experiment is what is being tested |
| Dependent Variable | This changes during the experiment. It is “dependent” on the independent variable. |
| Control Variable | These variables stay the same throughout the experiment. They do not change and instead remain constant. |
Created by:
jacko1710