Lab G
Terms
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copy deck
- Porifera are...
- Sponges
- What are the simplest of animals?
- Porifera
- How does water circulate in sponges and what is its function?
-
Circulates through canals and small pores.
This brings food particles and oxygen and removes waste and Carbon Dioxide. - What is the skeletal system of Porifera made of?
- Spicules or Spongin Network
- What are the three types of skeletal stystems in Porifera?
-
Calcareous Spicules
Siliceous Spicules
Spongin Network - What sort of reproduction does Porifera exhibit?
- Asexual and sexual
- Cnidaria are...
-
Jellyfish
Sea anemone
Corals - What type of symmetry to Cnidaria exhibit?
- Radial
- Cnidaria: Layers
- Diploblastic
- What are the body types of Cnidaria?
-
Polyps - Bottom-dwellers
Medusa or jellyfish - Floating and free-ranging - What are the stinging cells of Cnidaria called?
- Nematocysts
- What sort of skeleton do polyps have?
- Hydrostatic skeleton
- What sort of skeleton do corals have?
- Exoskeleton
- What sort of digestive tract do Cnidaria have?
- Gastrovascular cavity
- Cnidaria: Reproduction
- Sexually and asexually
- What is the larval stage of a polyp called?
- Planula
- Platyhelminthes are...
-
Flatworms
Flukes
Tapeworms - Platyhelminthes: Symmetry
- Bilateral
- Platyhelminthes: Layers
- Triploblastic
- Platyhelminthes :Body Cavity
- Acoelomata
- What are flame cells?
- Excretory system of Platyhelminthes
- What is a segment of a tapeworm called?
- Proglottid
- Nematoda are...
- Round worms
- Nematoda: Symmetry
- Bilateral
- Nematoda: Layers
- Triploblastic
- In what did the first digestive system develop?
- Phylum Nematoda
- Nematoda: Body Cavity
- Pseudocoelomata
- Nematoda: Skeleton
- Hydrostatic
- Nematoda: Reproduction
- Sexual
- Annelida are...
- Segmented Worms
- Annelida: Symmetry
- Bilateral
- Annelida: Layers
- Triploblastic
-
What are parapodia?
Who has them? -
Gills for respiration in water
Annelida - Annelida: Excretory system of...
- Nephridia
- Annelida: Body cavity
- Coelomata
- Annelida: Mesoderm
- Schizocoelom - choelom forms by splittling of mesoderm
- Annelida: Blastopore forms...
- Mouth
- Annelida: Skeleton
- Hydrostatic
- Metamerism
- True segmentation
- Annelida: Reproduction
- Sexual
- Phylum Anthropoda are...
-
Insects
Spiders
Centipedes
Millipedes
Crustaceans - Anthropoda: Symmetry
- Bilateral
- Anthropoda: Layer
- Triploblastic
- Excretory system in insects
- Malpighian tubules
- Excretory system in crayfish
- Green gland
- Respiratory system in insects
- Trachea
- Respiratory system in spiders
- Book lungs
- Respiratory system in crustaceans
- Gills
- Anthropoda: Body Cavity
- Coelomic
- Anthropoda: Mesoderm
- Schizocoelom
- Anthropoda: Blastopore becomes...
- mouth
-
Anthropoda: Skeleton
Made of... - Exoskeleton of chitin
- Anthropoda: Segmentation
- True
- Anthropoda: Reproduction
- Sexual, and occasional asexual
- Phylum Mollusca are...
-
Clams
Snails
Squids - Mollusca: Symmetry
- Bilateral
- Mollusca: Layers
- Triploblastic
- Eye of squid
- Camera
- Circulatory system of squid
- Closed
- Circulatory system of clams
- Open
- Mollusca: Excretory
- Kidney
- Mollusca: Respiratory
- Gills
- Mollusca: Body Cavity
- Coelom
- Mollusca: Mesoderm
- Schizocoelom
- Mollusca: Blastopore becomes...
- Mouth
-
Mollusca: Skeleton
What is it made of? -
Exoskeleton
Usually made of calcium carbonate - Mollusca: Segmentation
- Mollusca: Reproduction
- Sexual
- Echinodermata are...
-
Starfish
Sea Urchins
Sand Dollars
Sea Cucumbers - Echinodermata: Symmetry
-
Bilateral in larvae
Pentaradial in most adults - Echinodermata: Layers
- Triploblastic
- Echinodermata: Respiration
- Through feet
- Echinodermata: Body Cavity
- Coelom
- Echinodermata: Mesoderm
- Enterocoelom forms when mesoderm forms pouch
- Echinodermata: Blastopore...
- Anus (Deuterostomata)
- Echinodermata: Skeleton
-
Endoskelteon in most - thin skin over hard shell
Hydrostatic skeleton in sea cucumbers - Echinodermata: Segmentation
- Echinodermata: Vascular system
- Water vascular system with tube feet
- Echinodermata: Reproduction
- Sexual
- Phylum Chordata are...
-
Fishes
Amphibians
Reptiles
Birds
Mammals - Chordata: Symmetry
- Bilateria
- Chordata: Layers
- Triploblastic
- Chordata: Eyes
- Camera
- Chordata: Body Cavity
- Coelom
- Chordata: Mesoderm
- Enterocoelom
- Chordata: Blastopore
- Anus
-
Chordata: Skeleton
Made of... - Endoskeleton of cartilage and/or bones
- What is a Notochord?
- Flexible rod down back in embryo and sometimes adults in Chordata
- Chordata: Throat
- Pharynx with gill slits
- Chordata: Segmentation
- True
- Chordata: Reproduction
- Sexual
- When did the Animal phyla appear?
- During the Cambrian Explosion
- What is the fundamental difference between Subkingdom Parazoa and Subkingdom Eumetazoa?
- Parazoa do not have organ systems.
- What are the two phyla in Branch Radiata?
- Cnidaria and Ctenophores
- What is the difference between Branch Radiata and Branch Bilateria?
- Overall body symmetry and number of body layers.
- What are the different types of symmetry and give examples.
-
Asymmetry - Amoeba
Spherical Symmetry - Protozoa
Radial Symmetry - Jellyfish
Bilateral Symmetry - Human -
What implications does symmetry have on an organism?
For example, what can we tell about organisms with radial symmetry. - They are sessile (non-mobile)
- What is the development of a distinct head called?
- Cephalization
- What are the layers of diploblastic?
-
Ectoderm - skin
Endoderm - Digestive Tract - What is inbetween the two layers of a diploblastic organism?
- Mesoglea - jelly
- What are the layers of triploblastic?
-
Ectoderm - Skin and nervous system
Endoderm - Gut and glands
Mesoderm - Muscles - What is true segmentation called?
- Metamerism
-
What has Malpighian Tubules?
What are they for? -
Insects
Excretory system - What is the defining characteristic of the grades?
- Presence or absence of body cavity
- A feritlized egg is a...
- Zygote
- Spiral clevage
- Cells in different layers are offset form one another
- Radial clevage
- Cells line up side by side and on on top of another
- Blastopore becomes anus...
- Deuterostome
- Blastopore become mouth...
- Protostome
- Schizocoelomate
- Mesoderm splits and surrounds the inside of the body cavity
- Enterocoelomate
- Mesoderm pouches off and surrounds the body cavity
- Determinate
- At four cell stage, cell fate is determined such that any one cell would develop into 1/4 of organism
- Indeterminate
- At four cell stage, cell fate is not determined such that any one cell would develop into the entire organism
- Three Characterisitics of Schizocoela:
-
Spiral
Determinate
Protostome - Three Characterisics of Enterocoela
-
Radial
Indeterminate
Deuterostome - What three phylum display true segmentation?
-
Annelida
Chordata
Anthropoda - Describe Hydrostatic skeleton
- Body fluids act as support
- Describe Exoskeleton
- Tough support systems on the outside of the organisms
- Describe Endoskeleton
- Internal support systems
- Describe open circulatory system
- Blood does not circulate withing vessels and allows between organs into large open spaces called sinuses
- What are the two types of circulatory systems?
- Open and closed
- What are the two types of digestive systems?
- Incomplete and complete