Name ______________________________________________________ Date _______________ Period _____________
Plant Evolution Webquest
Click on the website to answer the following question: http://scitec.uwichill.edu.bb/bcs/bl14apl/conq.htm
1. What were some of the challenges the first plants on land would have faced? There may be some vocabulary
terms here that you need to research before you can answer this question and understand what you have
written!
Click on the website to answer the following questions:
http://www.fhs.d211.org/departments/science/bgraba/Links/Advantages%20of%20moving%20onto%20land.htm
2. What advantages were there to being on land that would have made it worth it for plants to risk facing all of
the perils associated with coming out of the water? Be sure to put these into your own words again! If you
can’t do that, you don’t understand the material!
3. What is meant by “gas exchange,” and why would it have been easier on the land?
Click on the website to answer the following questions: http://www.biology4kids.com/files/plants_xylemphloem.html
4. What does it mean when a botanist describes a plant as being a “vascular plant”?
5. What is xylem? What is its role in the plant?
6. What is phloem? What is its role in the plant?
Click on the website to answer the following questions: http://www.biology4kids.com/files/plants_moss.html
7. Are mosses, liverworts and hornworts (which are collectively called the “bryophytes”) vascular or
nonvascular?
8. Give two reasons why all bryophytes are short in stature.
9. Do the bryophytes have roots? If not, what do they have that anchors them in the ground? Do a little
searching on the Internet to see if the structures that bryophytes have are also used for absorbing water and
minerals from the soil like roots do.
Click on the website to answer the following questions:
http://wps.prenhall.com/esm_krogh_biology_3/0,8750,1135943-,00.html
10. Make sure your computer is on mute. Click on the “Web Tutorial 8.2: Photosynthesis”. Watch part one and
read the scrolling text. What is the function of the leaf? What is the function of the stomata found in the leaf?
11. Now click on “Exercise Two.” Where do the light dependent reactions take place?
12. What is taken in during the light dependent reactions?
13. What is given off in the light dependent reactions?
14. Where do the light independent reactions take place?
15. What is taken in during the light independent reactions?
16. What is given off in the light independent reactions?
Click on the link to answer the following questions. http://www.cellsalive.com/cells/cell_model.htm
17. Select “Plant Cell”. Describe how the vacuole looks in the plant cell. Click on the vacuole – what is its
function?
18. What is the function of the nucleus?
19. Draw a chloroplact. What is the function of the chloroplast?
20. Where can you find the cell wall? What is the function of the cell wall?