- Shuffle
Toggle OnToggle Off
- Alphabetize
Toggle OnToggle Off
- Front First
Toggle OnToggle Off
- Both Sides
Toggle OnToggle Off
Front
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
PLAY BUTTON
PLAY BUTTON
10 Cards in this Set
- Front
- Back
|
Insect differences from a vertebrate
|
exoskeleton, small size, segmented body, open circulatory system, tracheal system, upside-down
|
|
Differences from other Arthropoda
|
1 pair of antennae, 3 pairs of legs, most have wings, 3 body regions
|
|
Exoskeleton limits size because...
|
growth occurs in discrete stages (instars)
surface area v. volume problem |
|
Pros of an exoskeleton
|
protective layer, keeps water in, efficient at a small size, light enough for flight, tubular structure is stronger than rod shape
|
|
Purpose of classifying?
|
store, retrieve and communicate information. in some cases (hierarchical) it also has a predictive element
|
|
Species
|
means "kind"
2 aspects of definition: taxonomic unit and a theoretical concept |
|
Species Concepts
|
Typological (real essence, apparent characteristics),
Phylogenetic (the smallest aggregation of a group with comparable characteristics) , Evolutionary (ancestor lineage) Biological (reproductive isolation) |
|
taxonomy
|
naming and describing of species
|
|
systematics
|
the study / interpretation of natural systems of relationships of biological groups
- can have hypotheses of homology (same descent) - what structures to identity, what to name |
|
Incomplete metamorphosis
|
hemiptera, ephemeroptera, orthoptera
|
