Plant WebQuest: Background Information
Name:____________________Plant WebQuestIntroduction:Different types of plants have different characteristics. In this activity, you will find out just how different they are by gathering information on plant diversity. _____________________________Nonvascular Plants____________________________Evolutionary Connections – it is commonly thought that plants have evolved from algae. What characteristics would ancient algae have needed in order to have evolved for life on land? How might this evolutionary change have happened? 53530507493000Division Bryophyta: Mosses and Liverworts anchoring structure do mosses have instead of roots?Why are mosses usually restricted to moist habitats?What is the first generation produced in mosses?What is the second generation produced in mosses?What structures are absent in liverworts?Where are hornworts found?_____________________________Vascular Plants_______________________________Division Pterophyta: Ferns Evolutionary Connections – vascular plants probably evolved from nonvascular plants. What characteristics would nonvascular plants have needed in order to have evolved into vascular plants? Why do you think vascular plants came into existence? How might this evolutionary change have happened? 5791200387350058483506286500 do ferns grow best?What are fern leaves called?What are the horizontal stems of ferns called?What do ferns have instead of seeds?What is the gametophyte stage of a fern called?Division Coniferophyta: Gymnosperms Evolutionary Connections – Why would primitive vascular plants have developed seeds in cones? What might have been the reason for this evolutionary change? How would this change have happened? How could these plants benefit from such an adaptation? 553402527368500, cedar, and pine trees are all examples of _______________.How does the cone shape help protect the plants from snow?About how many species of conifers are there?What is the cup of a yew tree called?Why do birds sometimes eat only the cup and leave the seeds of yew trees?What type of gymnosperm resembles a palm, but is not really a palm?What group of gymnosperms has only one surviving species?Where are ginkgo biloba trees originally from?HYPERLINK "" adaptation allowed plants to make the move to life on land?List the four groups of gymnosperms and give an example of each. Gymnosperms were the first widely distributed plant group; what major animal group are gymnosperms linked to?What is the “main plant” of gymnosperms?What are cones?In pine trees which is larger, the male or female cones?What structure encases the fertilized egg cell?What is the advantage of a needle over a flat leaf?What is the function of a cuticle?Division Anthophyta: AngiospermsEvolutionary Connections –Why might plants have needed to develop flowers and fruits? How would this change have happened? Why might fruits and flowers be more beneficial that seeds in cones? Are there any downsides to depending on other organisms for help with reproduction? 5781675679450057245255207000 Angiosperms are _________________ plants.Where are angiosperm seeds found?What process must angiosperms go through before they can reproduce?What are the male sex organs of angiosperms?Where is the pollen made in angiosperms?What are the female sex organs of angiosperms?Where is the pollen left on angiosperms?What does cross-pollinate mean? Even though most plants are angiosperms, gymnosperms still have an advantage in certain environments. In what type of environments are gymnosperms more successful than angiosperms?Angiosperms get their name because the _____________ are produced inside a ____________.Besides the sporophyte embryo, what is in a seed?What is the function of the fruit in an angiosperm?Seeds are designed to travel in different ways.List two types of fruits that are designed to fly through the air. List one type of fruit that is designed to float across water. List one type of fruit that is designed to attach to passersby. Angiosperms have true roots; what are the two functions of roots?Angiosperms have stems; what are the two functions of stems?What structure is the site of photosynthesis in angiosperms?How can a plant control the amount of carbon dioxide it takes in and the amount of water it loses?What type of stem is capable of photosynthesis?What type of stem is present in trees?What are the male and female gametophytes in angiosperms?Male:Female:What is the ovary converted to in angiosperms?What type of environmental cues do plants wait for before germinating? *Now that you are finished, write a paragraph comparing and contrasting the bryophytes, ferns, gymnosperms, and angiosperms. Include an explanation as to why angiosperms have been more successful than other plants. Discuss the value of co-evolution as it relates to angiosperm success: Rubric:*For final paragraph … all questions should be answered completely. ?Excellent Fair Needs Improvement Science Content Accurate; Connected to big ideas in scienceMostly accurate; Connections to big ideas are not clearInaccurate; Not connected to big ideas in scienceInformation Sources Multiple sources; Wide range of resource types; Reliable sources; Current sourcesTwo or more sources; Two types of resources; Some reliable sources; Some current sources;One source (often personal knowledge or text only); Narrow range of resources; Unreliable sources; Out of date sourcesOrganization & Presentation Main ideas are clearly presented; Ideas are presented in an appropriate order; Ideas are supported by information and logic; Appropriate conclusions are based upon evidence presented; Effective use of models, diagrams, charts, and graphsMain ideas are presented to some extent; Ideas are not presented in an order that adds clarity; Some ideas are supported by information and logic; Conclusions do not follow from ideas presented; Some appropriate use of models, diagrams, charts, and graphsNo main idea presented; Ideas are presented in an order that distracts from clear communication; Ideas are not supported by information and are illogical; Inappropriate conclusions are presented No use of models, diagrams, charts, and graphsConventions Generally error free in regards to sentence structure, punctuation, capitalization, spelling, and standard usageSentence structure, punctuation, capitalization, spelling, and standard usage errors are noticeable, but do not seriously impair readabilityErrors in sentence structure, punctuation, capitalization, spelling, and standard usage impair readabilityUse of Science Language Consistent use of appropriate science language and terminologyPartial use of appropriate science language and terminologyInaccurate use of science language and terminologyRubric from Rubric/rubric.cgi?rubric_id=14 ................
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