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science test
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| Question | Answer |
|---|---|
| What is the phylum name for seedless non vascular plants? | Bryophytes |
| What is the phylum name for seedless vascular plants? | Pteroyphyta |
| What is a nick name for gymnosperms? | Naked seed |
| What is the most common gymnosperm? | Conifers |
| What do male cones release? | Pollen |
| What do female cones release? | Seed |
| What do mosses have instead of roots? | Rhizoids |
| What are rhizoids? | A long thin cell that anchors the moss to the ground. |
| What is a gametophyte? | Haploid, or gamete-producing, phase of an organism. |
| What is a sporophyte? | Diploid, or spore-producing, phase of an organism. |
| What is a spore? | Haploid reproductive cell. |
| What is sori? | |
| What is stigma? | Sticky portion at the top of the style where pollen grains frequently land. |
| What is sepal? | Outermost circle of flower parts that encloses a bud before it opens and protects the flow while it is developing. |
| What is style? | Narrow stalk of the carpel in a flower. |
| What is rhizomes? | Creeping or underground stem in ferns. |
| What is a frond? | Large leaf of a fern. |
| What is a flower? | Seed bearing structure of an angiosperm. |
| What is a carpel? | Innermost part of a flower that produces the female gametophytes. |
| What is an anther? | Flower structure in which haploid male gametophytes are produced. |
| What is a filament? | A long thin structure that supports the anther. |
| What is an ovule? | Structure in seed cones in which female gametophytes develop. |
| What is a petal? | Attracts animals for pollination. |
| What is a stamen? | Male part of the flower; Made up of anther and filament. |
| What is peat moss used for? | Burned and used at natural gas. |
| What are the functions of roots? | To absorb water and nutrients, transport them throughout plant. |
| What is the function of a stem? | To support the plant. |
| What is a taproot? | Long root to go deeper into ground to get water deep into ground. |
| What is a fibrous root? | Roots that are spread out to collect rainfall. |
| What is a tuber stem? | Stem modified to store more food. |
| What is a rhizome stem? (modifications) | Stem modified to undergo periods of dormancy. |
| How do cacti adapt to enviroments? | They have extensive roots and reduced leaves, thick stems that can store water. |
| What are herbaceous and woody plants? | Herbaceous-Tend to have more leaves and stems without wood tissue. Woody has woody tissue. |
| What is a compound leaf? | Blades are divided. |
| What is a simple leaf? | Single blade. |
| Characteristics of Monocots? | One seed leave, parallel leaf venation, multiples of 3, fibrous roots. |
| Characteristics of Dicots? | Two seed leave, netlike venation, multiples of 4 or 5 flower parts, tap roots. |
| What year are biennials pollinated? | During their second year of growth. |
| What are hormones? | Substance produced in on part of an organism that affects another part of the organism |
| What are auxins? | Plant hormones that stimulate cell elongation |
| What is cytokinins? | Plant hormones that stimulate cell division |
| What is photoperiodism? | Response of a plant to periods of light and darkness. |
| What is wood? | Layers of xylem. |
| Which way does a plant growth in positive gravitropism? | Down. |
| Which way does a plant grow in negative gravitropism? | Upwards. |
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