animals 2 Flashcards
what are in phylum Annelida
segmented worms, marine worms, and leeches
things to know abt phylum Annelida
-some organs are repeated
-hermaphrodites but must reproduce w/ another worm
-has true coelom from cell masses
clitellum
the band around worms used for sexual reproduction and marks where the head is. (head is and closest to the band
leeches
-parasitic
-release an anticoagulant used to suck blood more easier
-sometimes used in reconstructive surgeries
what phylum are lobsters, shrimp, spiders, scorpions and insects
phylum Arthropoda
things to know about phylum Arthropoda
-make up 80% of the animal kingdom
-live in all enviornments
-has true coelom
-sexual reproduction
what does anthropods mean
-anthro- jointed
-poda-feet/ appendages
what are the sub phyla of arthropods
-sub phylum cheliceriformes
- sub phylum Crustacea
-sub phylum hexipoda
-sub phylum myriapoda
things to know abt subphylum cheliceriformes
-contain horseshoe crabs, spiders, ticks, mites, scorpions, daddy long legs
-chelicerae-pincers/ fangs
-4 pairs of legs
things to know abt subphylum Crustacea
- contain lobsters, crabs, crawfish, shrimp, barnacles,roly-poly
-2 pairs of antennae
-complicated mouthparts
-appendages on abdomen
-2 body segments
Cephalothorax
-head and body fused together
Subphylum hexipoda (insects)
-six legs
-75% of all arthropods
-many have wings in adulthood
-3 separate body parts
- 1 pair of antenae
-compound eyes
Subphylum Myriapoda
-contain centipedes and millipedes
Centipedes
-1 pair of walking legs
-3 mouthparts
-Carnivorous
-more dangerous
Millipedes
-2 pairs of walking legs
-chewing mouthparts
-herbavores
