), Trends from graph explained (what does the data show? 3. Sometimes changes are the result of humans interfering with food webs or habitats. h��ZmO�8�+�Xt��w'R��@��KK%ć�M!�i7�u��y��d���U'�jj������'Y�Q�a4a�-�-R�l�d�)a[(�Tْ)������ �J[Jb@;U$ږ�pF�b�N�Z�VM���O%25V9cDQ���8�\B�N+a��Ϋ9�(bR-�M2>99�7Ŕm�ݗ���t�)sM�_'��|�g�"9>O.��y>KNF��N�w�}ϻ��%���ߊdr�o�ڡ�"�ڮ�������ʫ"�˝�rU���߭�ź\ܿO�EUVۃ䲸/7�z�j4]~.�ɷ�jV�m7�Ng���F�JNƧ����a`qr���(����J�Ӣy�9M�f�����l������o�k'�1��u]g���m_M�����A�T� h�b```f``j``e`�.`�c@ >�(G� ���-7xV�@���t�ծ�]W�\řW��CxGG�zGG3�U yP=@��i � ��ǚ�'`�,�Y�~`FS� ���/9Ct?���R�� ���$��Lg v In this lab, what factor limits the population growth of the hares? It illustrates the relationship between the size of the hare population and the size of the lynx population. ��g2o��r��.�56a,�{:� ���t�|���}�J;��d��k�&E.҉��\���� đ�2c�����).���m P��EN�'�t���G(�Ke2�� �������8�o�O�L� ���aD�^��%th튁kWx����f|Ю! 1. Do not copy the questions in your lab book!) 374 0 obj <>/Filter/FlateDecode/ID[<4BAA527B9E36F342A87EA6305FA12713>]/Index[352 45]/Info 351 0 R/Length 101/Prev 176396/Root 353 0 R/Size 397/Type/XRef/W[1 2 1]>>stream "�=�ژ6�K %��%e��N�7����tR�_vI��M'p6e���j �� Name_____ Date_____ Hour_____ Hare and Lynx Populations: Predator Prey Inquiry Lesson Populations are always changing.

), Includes conclusion and specific data to support conclusion, One way to improve or extend lab to answer new questions. By plotting the hare population and the lynx population side by side on the same graph, the relationship between the two should become very clear. endobj (2001-27) According to the graph, addition of <>/Metadata 1307 0 R/ViewerPreferences 1308 0 R>> Q7. But even when humans do not interfere, populations will still naturally shift up and down or fluctuate. B�IU�?�j7�P�w]���:�䷡h�g�Y��ةƋ/K�|��ӫ����y�Jг��5�v�r� <> Observe the graph you created based on the Snowshoe Hare & Canada Lynx. When the hare population is high, the ptarmigan population may be high as well, since lynx prefer hares. Use the data to answer questions 1-3. h�bbd``b`� $Z��* �n$uA� b=�8"6��� � Questions are not written out in lab book. 1. s Answer the following questions on this sheet of paper followed by creating the graph with the data under “Populations of Snowshoe Hare & Canada Lynx.” Use full sentence structure when answering. What population has the highest population peaks? <> Questions are not written out in lab book, Sign in|Recent Site Activity|Report Abuse|Print Page|Powered By Google Sites. Part 1: Predation between the snowshoe hare and the Canadian lynx Study this predation example to learn about the typical growth patterns of Canadian lynx and snowshoe hares. Detailed company records list the number of snowshoe hare pelts and the number of lynx pelts collected by hunters and trappers every year since the late 1700’s. ���r�ϋ��ㇳ����W�cR����=M׵=��3��Yy7Z�� (. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> stream T}��I�3+�%A_�{��}f��*�. E�L�E�$� ����QB���5��;����7�8�er#$��bE�]���ME�/�M|s��?��r ��$��r�[[sTY� g͂e\Y���OO��!�%�.�����3 %PDF-1.5 If a predator of the lynx enters the food chain, you might expect the number of — a. lynx and hares to become equal b. lynx to increase c. hares to increase d. hares and lynx to decrease .

Questions (answer each question in a complete sentence with the question rephrased in your answer.

���[N��͍Q7���bӞh b\Β�B 7i �V��+A? Questions answered in complete sentences. Placed in the proper place in the laboratory report. The data shows a 200 year history of cyclical population booms and busts in the snowshoe hare population and a slightly delayed population boom and bust in the lynx population. Answer: When the hare population is low, the lynx may eat more ptarmigan, thereby reducing its population.

Look at the pattern in ), Summary of procedures (what was done in the simulation? endstream endobj 353 0 obj <>/Metadata 20 0 R/PageLayout/OneColumn/Pages 350 0 R/StructTreeRoot 31 0 R/Type/Catalog>> endobj 354 0 obj <>/ExtGState<>/Font<>/XObject<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 355 0 obj <>stream 7. On the graph below, draw a line that shows the predicted population of the lynx. 396 0 obj <>stream %���� 8.

2 0 obj 9����c�C�c�AX x��\�o�6� �?Rq��-�p�8�ǡ�n������C��ڮw���͐�-���ǖ������!/ޓ�/_���� t:%�3��� �(��J4��'��������������+F�!W��'Q�)Cra�"'W�`��r��Ƀ�d�O�OO~Iޤ:9K'2�1���2������%����h.�(2��\X� On graph paper/neatly constructed with a ruler OR done on computer.

1 0 obj 00uF i�9pG�10�� ��H � G�+� Visit Flinn Canada. endstream endobj startxref Sample Answer: Both choices A and D would result in an increase in the hare population. %%EOF 4 0 obj Choice C would result in a decline, but not to zero. endobj 1. :�o�+������7�%�7�������� d�O�A�j�Os�A۽q' z��[Nm̃e���a=�\-?,J;� Bi��hg@*�3݄\P�C.x�CfO���� Za��|F�g��׃&Ү�е>�l �ܶ?f���/�u].F�M�����:y�פ'�����܏�J5N��� (1 point) The hare population … Lynx and the Hare Population Activity is a paper-and-pencil activity helps students learn about predator-prey population fluctuations as shown in this Flinn Biology Minute. The graph is correct for the type of data collected (line or bar? 3 0 obj (2004-29) This graph shows the sizes of lynx and hare populations between the years of 1845 and 1940. 352 0 obj <> endobj Describe how the fluctuations in the snowshoe hare population numbers might affect the population of ptarmigan. Notice how each population has a boom (when there are too many lynxes or hares for the available resources) and a bust (when many hares or lynxes die and very few are left) pattern. 2. 0 7S��.��ѯ�g�#h�zM[]��z��qUa[s�Ɯ�-Δ�&�� mP����&9{�6$�h �}?���c������(�������ru5�� For each animal make a plot of population totals (the first two columns) versus generation number. You should notice a … Hl/�`����}�^e �$8�@�@ ��HlHd`bd�iM�g�� � �X Lynx-Hare Cycles Look at the graph.

endobj How does the lynx population change in comparison to the hare population? %PDF-1.5 %����



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