SCI 115 Week 9 Discussion STR

For your primary post, please respond to one of the following three topics with a post of at least 125 words that addresses each point given in the instructions. Also, please reply to at least one fellow student on any topic.

Topic 1

: Population Distribution of Termites in a Savanna. Watch the video (1) describing Corina Tarnita’s research on the spacing of termite mounds in savanna ecosystems, and then address the following:

• What were Tarnita’s findings about the spacing of termite mounds?
• (b) What does Tarnita think is the main factor that governs the spatial distribution of the termite mounds?
• (c) How do the termite mounds benefit other organisms on the savanna?

Topic 2

: Pacific Lampreys. Watch the video about Pacific Lampreys (2)*, then address the following:

• (a) Where do Pacific lampreys fall in the taxonomy of vertebrates?
• (b) What challenges do Pacific lamprey populations face?
• (c) Why are Native American tribes of the Northwest concerned about them? (Please note: take care not to confuse the Pacific lamprey (described in the video) with the Sea Lamprey, which is a completely different species that is considered an invasive species in the Great Lakes).

Topic 3 [article]: Supporting the Energy Needs of a Large Brain. As discussed in the article by Zimmer (3)*, brain tissue is energetically expensive. For a species to evolve a large brain, it may need to make certain adjustments to ensure that enough energy is available to support brain function. Zimmer discusses various hypotheses about such adjustments in the human line of descent. Explain one of these adjustments.

*References (in Strayer Writing Standards format).

1. HHMI Biointeractive (2015, November 11) Analyzing patterns in the savanna landscape. [Video]. Retrieved from https://youtu.be/nJGpABrEatc
2. U.S. Fish & Wildlife Service. (2012). Taking the initiative to conserve Pacific Lamprey. [Video]. Retrieved from https://www.youtube.com/watch?v=dkwfDVAoSXk
3. Carl Zimmer, July/August 2011, The brain Discover, 32 (6), 18-19. https://search.ebscohost.com/login.aspx?direct=true&db=a9h&AN=61992134&site=ehost-live&scope=site

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SCI 115 Week 9 Discussion STR

ACCT 553 DeVry, BIAM 500 DeVry, CIS 500 STR, CIS 558 STR, ENG 105 GCU, FIN 390 DeVry, FIN 504 GCU, HCA 545 GCU, HCA 699 GCU, HLT 306 GCU, HLT 362 GCU, HLT 555 GCU, HLT 610 GCU, HLT 665 GCU, HOSP 594 DeVry, HRM 600 DeVry, MAT 144 GCU, MGMT 600, MGT 599 STR, MGT 655 GCU, MKT 373 GCU, PSY 362 GCU, PSY 565 GCU, PSY 575 GCU, PSY 665 GCU, SOC 102 GCU, SOC 320 GCU, SOC 372 GCU, SOC 412 GCU, NSG 6440 SU, HIM 515 GCU, NSG 4029 SU, HIM 615 GCU, NSG 3029 SU, NSG 4055 SU, NSG 6630 SU, NSG 6005 SU, CRMJ 310, PSY 510 GCU, CRMJ 300 Devry, CRMJ 425, SPD 200 GCU, HLT 490 GCU ,ECH 340 GCU, ECH 440 GCU, ECH 355 GCU, ECH 350 GCU, LDR 461 GCU, ECH 425 GCU, REL 212 STR, ,SCI 115 STR