While walking in the woods, you find a clump of attractive mushrooms' You want to take them home to

1

• While walking in the woods, you find a clump of
  attractive mushrooms. You want to take them home
  to eat. How can you tell if it is safe to eat?

2
Identifying Organisms
3
objectives

• Explain how to use a taxonomic key.
• Compare and contrast taxanomic keys and field
  guides.
• Make a model of a taxonomic key.

4
Taxonomic Keys

• A guide to identifying organisms on the basis of
  their physical characteristics. (How they look)

5

• Show evolutionary relationships by arranging
  similar organisms in a series of numbered
  statements.

6
Black Spruce
7
Taxonomic Key Pine Family

• 1 Read parts of a and b statement 1. Choose
  appropriate description. The numbers at right
  tell you which statement to read next. (since
  leaves not in clusters, go to 4)
• 2- Because leaves are arranged alternately on
  stem, go to 5)
• 3- Because leaves are four sided, go to 6)
• 4- The leaves are 6 to 12 mm long. You can
  identify tree as a black spruce.

• 1a leaves in clusters 2
• 1b leaves not in clusters.4
• 2a leaves in clusters of 5..Wht. Pine
• 2b leaves in clusters of 2 or 33
• 3a leaves 8-15 cm longNorway pine
• 3b leaves 2-4 cm long.Jack Pine
• 4a leaves alternate or scattered5
• 4b leaves opposite or whorledjuniper
• 5a leaves 4 sided6
• 5b leaves flattened7
• 6a leaves 6-12 mm longblack spruce
• 6b leaves 12-25 mm longwht spruce
• 7a leaves 12-28 mm long tideland spruce
• 7b leaves 18-28 mm longweeping spruce

8
Field Guides

• Designed to be used in field, like on a nature
  hike.

9
Field Guides

• Does not give as much scientific info as a
  taxonomic key.
• Uses pictures and descriptions.
• Not based on classification.

10
Field Guides

• Popular for identifying birds, wildflowers, and
  other animals and plants you might encounter in
  nature.

11
Field Guides

• Habitat
• Range
• Migration patterns
• Seasonal changes in appearance

12
Field Guides

• Useful in identifying non-living things such as
  fossilized rocks and minerals

13
Homework

• Read pg 183 to 185
• Complete 1 thru 4 on pg 185
• Complete worksheet 9.3