Final Exam Flashcards
1
Q
Taxonomic keys
A
- Organize based on selected distinguishing characteristics
- Dichotomous key – two characteristics (or group of characteristics) per decision
- Tabular key – several options at once
2
Q
Difficulties using taxonomic keys
A
-Can be difficult to use
– depend on knowing terminology, right geographic region, etc.
-Results need to be confirmed by other sources
3
Q
Characteristics for classification
A
- Morphological characteristics
- Physiological mechanisms
- Developmental stages & larval forms
- Molecular similarity
4
Q
Distinguishing characteristics
A
- Tissue level of organization
- Radial vs bilateral symmetry
- Protostome vs deuterostome
- Coelom – body cavity
- Etc.
5
Q
Biodiversity value of invertebrates
A
- -Ecosystem services
- Water, air, soil quality
- Pollination
- Food
- Bioindicators
- Pharmaceuticals
- Esthetics
