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IB Student Picnic Hosted by the School of Integrative Biology

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IB Student Picnic Hosted by the School of Integrative Biology Thursday, Sept 4 5-8 PM Illini Grove Pavilion (corner of Lincoln and Pennsylvania Ave) – PowerPoint PPT presentation

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Title: IB Student Picnic Hosted by the School of Integrative Biology


1
IB Student Picnic Hosted by the School of
Integrative Biology
  • Thursday, Sept 4
  • 5-8 PM
  • Illini Grove Pavilion
  • (corner of Lincoln and Pennsylvania Ave)
  • Free Food
  • Free T-shirt
  • Meet Faculty
  • Find out what SIB is all about and meet other
    IB majors!

2
Assignment Read Chapter 4Variations in the
Physical EnvironmentNext week ONLY Monday AM
lab Tues 5-8
Monday PM lab
Wed 5-8Use back door if late
3
Lab Assignments - this week
  • DUE at beginning of first lab this week
  • Homework 1 Hypotheses(pg. 179)
  • 2 xerox copies of I-card with photo
  • Read before first lab this week
  • Lab 1 Small mammals (pg. 61)
  • Homework 2A Mammal habitat choice
    (pg.189)
  • Lab Emphasis on Scientific Inquiry (pg.
    7-8)
  • Student-Driven-Project 1 (pg. 92-94 only)
  • Questions in lab
  • Do successional habitats differ in the type and
    abundance of small mammals?
  • 2) Does seed oil content affect their food
    choice?

4
Biological Communities The Biome Concept
5
OBJECTIVES
  • What are large-scale distributions of plant life
    forms?
  • aquatic
  • terrestrial
  • What is the proximal cause of their distribution?
  • How does climate differ among biomes?
  • Whittakers scheme
  • Walters climagrams
  • Do biomes and plant form and function converge in
    regions with similar climate?

6
Example of exam question
2
3
1
  • Which biome would occur in each climate?
  • What is the limiting climatic factor(s) for each
    biome?
  • Where is each biome located in the Western (New
    World) and Eastern (Old World) hemisphere? Put
    letters on map.

7
C. Where is each of those 3 biomes located in the
Western (New World) and Eastern (Old World)
hemisphere? Put numbers on map.
8
Concept Map Which physical factor separates
habitats?
  • A water availability
  • B movement of water USE EACH ONCE
  • C medium of gas exchange
  • D amount of salinity
  • Biome
  • Terrestrial
    Aquatic
  • Wetlands Desert Freshwater
    Marine
  • Rivers Lakes

1
2
4
3
9
Aquatic habitats
10
River where precipitation gt evaporation
River continuum Downstream drift High gradient
vs. Low gradient
11
A lake can be divided into vertical and
horizontal zones.
photic aphotic
12
Lakes can be poor or rich in nutrients.

Oligotrophic
Eutrophic
IB 449 Limnology study of freshwater habitats
13
Ocean zones differ in temperature, depth, light,
and tides.
Abyssal zone
14
Ocean habitats
Oceanography Marine biology
15
Variation in aquatic habitats corresponds to
variation in
  • Physical factors
  • light
  • temperature
  • moving water
  • Chemical factors
  • salinity
  • oxygen

16
The terrestrial-aquatic interface
Estuary where a river reaches the ocean but
is impeded by landforms
17
Cypress Swamp
18
Marsh Bog/Fen
19
Tropicalmangrove
Tropical mangrove
  • Temperate
  • salt marsh

20
The terrestrial-aquatic interface
rocky freshwater estuary
marine woody herbaceous woody
herbaceous swamp bog/fen marsh mangrove
salt marsh tropical temperate Another
concept map
21
ObservationTrees grow faster in habitats with
salmon than those without salmon.Speculate
why?Predict results from salmon overharvest.
Interface of land and Water
22
Review of major biomes
A Tropical rain forest B Tropical seasonal
(deciduous) forest /savanna C Subtropical
desert D Woodland/shrubland E Temperate rain
forest F Temperate seasonal (deciduous) forest G
Temperate grassland H Boreal forest (taiga) I
Tundra
23
Concept map What 4 variables distinguish
biomes?
  • Herbaceous/graminoids Shrubs Trees
  • (grasses, sedges)
  • Shrublands Forests
  • Grasslands
  • Deserts
  • Tundra
  • Evergreen Deciduous
  • Conifers Broadleaf Temp. Trop.
  • Temperate Tropical

24
Biome a major type of terrestrial community
categorized by its 1) dominant plant form, 2)
seasonality of leaves, 3) leaf morphology, 4)
location.
25
What biomes are in the USA?Start and end in
Alaska
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