The flashcards below were created by user
on FreezingBlue Flashcards.
Characteristics of Crustacea
- 2 pairs of antennae
- Compound eyes
- Complex life cycle
What kind of larvae do Crustacea have?
What do copepods use to swim?
What animal is an important trophic link between producers and predators?
What is the largest class in Subphylum Crustacea?
Three types of Malacostraca
- Isopods- rolly pollys
- Amphipods- krill
- Decopods- shrimp
In what habitats are shrimp found?
What animals are key in the most destructive fishing practices?
Characteristics of shrimp (2)
What is the most efficent way to catch fish?
Trawl fishing (2)
- Large nets dragged on bottom
- Destructive to habitat
Incidental catch of non target species (trawl fishing)
Pandalus platyeros (3)
- Spot prawns
- Largest shrimp in us west coast
- Sustainable trap or pot fishery
3 types of lobster
- Slipper lobster
- American Lobster
- Spiny lobster
General Characteristics of Subphylum Hexapoda (6)
- 3 tagmata
- 3 pairs of legs on thorax
- No abdominal appendages
- Compound eyes
What animal group has the greatest species diversity?
What Phylum contained the first land animals?
Complex sensory organs of insects (4)
What were the first animals to evolve the ability to fly?
What are wings?
Cuticular extensions of the dorsal thorax that do not forfeit functionality of appendages
How is powered flight advantageous? (3)
- Escaping predators
- Colonizing new regions
- Move efficiently to patchy resources
2 implications of complete metamorphosis
- Implies ecological difference between life stages
- Pupal stages can evade harsh seasonal conditions
Single eye of insects with a single axon leading to the brain
How are compound eyes better for insects? (3)
- Vision is in pixels
- Better at detecting movement
- Can see ultraviolet light spectrum
- Diplopoda- millipedes
Class Chilopoda (3)
- 1 pair of leg per segment
Class Diplopoda (3)
- 2 pairs of legs per segment
- Non venomous
Subphylum Chelicerata (4)
- 2 tagmata- cephalothorax and abdomen
- 4 pairs of walking legs
- No Antennae
What is the horseshoe crab's body covered by?
Benthic "Sea Spiders"
Class Arachnida (3)
- Terrestrial predators
- Internal fertilization
Hermit Crab (2)
- Soft abdomen
- Use gastropod shells for protection