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Bio Lab Practical I
| Question | Answer |
|---|---|
| which tissues are unique to animals? | nervous and muscle |
| diploblastic | 2 germ layers (ecto and endo) |
| triploblastic | 3 germ layers (ecto, meso, and endo) |
| acoelomate | no body cavity |
| pseudocoelomate | body cavity partially lined with mesoderm |
| coelomate | body cavity completely lined with mesoderm |
| functions of body cavities | acts as circulatory system, provides support, allows space for organs |
| four characteristics of chordates | notochord, dorsal/hollow nerve cord, pharyngeal slits or clefts, and muscular/post-anal support |
| madreportite | found in starfish and allows for entry of water into the water vascular system |
| non-vascular plants | mosses, liverworts, and hornworts |
| all non-vascular plants are...? | bryophytes |
| vascular plants subtypes | seedless and seed |
| seedless plants | club mosses, ferns, horsetails, and whisk ferns |
| seed plants subtypes | gymnosperms and angiosperms |
| gymnosperms | "naked seeds", conifers, pines, cycads, ginkgo, and gnetae |
| angiosperms | "seeds with fruit", "flowering plants" |
| angiosperms subtypes | monocots and dicots |
| vascular bundles | xylem (water and minerals) and phloem (food) |
| plants (oldest to newest) | algae, bryophytes (mosses), ferns (seedless), gymnosperms, and angiosperms |
| thallus | plant body |
| rhizoids | rootlike extensions on lower surface |
| pores | openings for gas exchange |
| gemmae cups | on upper surface of thallus and contains discs of green tissue called gammae |
| bryophytes dominant stage | gametophyte |
| megaspores | female |
| microspores | male |
| carpel | female |
| stamen | male |
| fruit has... | an ovary and the fruit protects the seed |
| double fertilization | 3n endosperm - only occurs in angiosperms |
| 3 tissue types in mature plants | dermal, ground, vascular |
| dermal tissue | "epidermis", has stoma for gas exchange |
| ground tissue | most of plant body and is the main location for photosynthesis and carb storage |
| 3 types of ground tissue | parenchyma (photosynthesis, support, storage of minerals), collenchyma (flexible support), sclerenchyma (strength and support) |
| types of vascular tissue | xylem (water) and phloem (sugar) |
| xylem | tracheids and vessel elements |
| phloem | sleeve-tube members and companion cells |
| meristematic tissue | "rapidly growing tissue", primary (tip of shoot and root), vascular (between phloem and xylum), pericycle |
| fruit subtypes | simple (1 ovary) and compound (more than one ovary) |
| simple fruit compounds | dry and fleshy |
| dry fruit subtypes | fruits with 1 seed and fruits with 2+ seeds |
| fruits with 1 seed | achene and nut |
| fruits with 2+ seeds | capsule, legume, and follicle |
| fleshy fruit substypes | ovary with 1 seed and ovary with many seeds |
| ovary with 1 seed | drupe, cherry |
| ovary with many seeds | berry, ponae, apple |
| compound fruits | fruits formed from ovaries of many flowers and several ovaries in one flower, multiple fruit aggregate, pineapple, strawberry, and raspberry |
| coniferophyta | pines and cedars - cones and needle leaves |
| ginkgophyta | maidenhair tree - broad fan shaped leaves with seeds borne singly on stalks |
| cycdophyta | sago palm and cycads - palmlike leaves with short woody sterns |
| gnetophyta | Mormon tea - stem and no leaves (desert plant) |
| sweet potato | root |
| white potato | stem (buds present) |
| celery | leaf petiole |
| carrots | root |
| broccoli | flowers and stems |
| asparagus | stems |
| eggplant | fruit |
| lettuce | leaves |
| onion | leaves |
Created by:
studystack_0325