Animals 2 Flashcards
Identify all traits of Lophotrochozoan Protostomes
- Have a ciliated, free living larval stage
- display bilateral symmetry at some point in their onotogeny
- Possesses a ciliated feeding structure that functions in food collections and gas exchange
Phylum Nemertea
Phylum Annelida
Phylum Mollusca
Spiralians
Arachnids
Horseshoe carbs
Sea spiders
Chelicerates
Phylum Mollusca
Phylum Annelida
Phylum Platyhelminthes
Lophotrochozoans
Order Diptera
Order Hymenoptera
Order Lepidoptera
Order Coleoptera
Hexapods/ Insects
Class Polychaeta
Class Clitella
Order Oligochaeta
Order Hirudinea
Annelids
Lobsters , crabs ,shrimp, barnacles and crayfish
Crustaceans
Phylum Nematoda and Phylum Arthropoda
Ecdysozoans
Class Polyplacophora
Class Gastropoda
Class Bivalvia
Class Cephalopoda
Mollusks
A strong muscle commonly used for movement and attachment to surfaces
foot
A thick outer coating that often secretes minerals to form a shell or quill
Mantle
An internal membranous structure that contains such organs as the heart , digestive glands and reproductive structures
Visceral Mass
A rasping mouthpart seen in all mollusks except bivalves that aids in breakdown and ingestion of food
radula
Traits seen in Protostomes
- True, complete digestive tract with a mouth on one end and an anus on the other
- Blastopore becomes the mouth during gastrulation
- Spiral cleavage during embryogenesis
What group of protostomes accounts for more than half of all known species of living organisms ?
Hexapod
Which group listed does not belong to the Lophotrochozoans
Arthropods
A head with complex sensory organs, including eye that are comparable to those of vertebrates in their ability to resolve images is found in which of the following Mollusk group
Cephalopods
Functions of arthropod appendages include
walking and swimming
What specialized respiratory structures distinguish insects from other ecdysozoans
Tracheae and spiracles
Phylum A : Platyhelminthes
Common name A :
Flatworm - Planarian speices
Phylum B: Nemertea
Common name B:
Ribbon Worm
Phylum C: Nematoda
Common name C:
Roundworm - Ascaris species
Class E and common name : Clitella - earthworm
Order E:
Oligochaeta
Class and Common name F: Clitella - leech
Order F:
Hirundinea
Unifying traits Class Insecta
- Have 3 pairs of legs attached to the thoracic section
- Have antennae which extend from the cephalic region
- Gaps in the exoskeleton called spiracles, lead to tracheae tubes and allow or gas exchange
Subphylum A: Hexapoda
Class
Order
Insecta
Hymenoptera
Subphylum B: Myriapoda
Class
Order
Diplooda
Millipede
Class C: Arachnida
Common name
Tick
Subphylum D : Crustacea
Common name
Crab
Subphylum E: Trilobitomorpha
common name
Trilobite
Subphylum F: Chelicerata
Common name
Horseshoe crab
