Categorie: Tutti - chordata

da Madison Stevens mancano 5 anni

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The document provides an overview of various phyla within the animal kingdom, focusing on distinct characteristics and example organisms for each group. Porifera, such as hexactinellid and demosponge, are simple animals without a nervous system, reproducing both sexually and asexually.

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The Animal Kingdom

Chordata

Mammals
hair or fur.
Sweat glands.
Birds
fly
feathers.
Reptiles
scales or scutes
backbone
Amphibians example
Subtopic
Amphibians
absorbs water and oxygen
moist, scaleless skin
cold-blooded animals
Fish examples
Goldfish
Guppy
Fish
Detect Nearby Movements
Breathe Underwater
Gills

Arthropoda

Myriapods Examples
Centipedes
Symphyla
Myriapods
Simple eyes
Simple eyes.
Many pairs of legs
Example Crustaceans
Krill
Crab
Crustaceans
pair of green glands
two pairs of antennae
two compound eyes
arachnids examples
Spider
Ticks
Arachnids
well-developed head.
segmented
Example Insects
Beetle
Ant
Insects
three pairs of legs.
exoskeleton
antennae

Main topic

Annelida

Earthworm
Leech
Nervous system
Body wall

Nematoda

pinworms
hookworms
Parasitism & Crytobiosis.
Protective Cuticle
Simple Digestive System.

Platyhelminthes

Example Organism
flatworms
tapeworms,
Free- Living
living on or in another organism
soft-bodied

Echinodermata

Example organism
Sea cucumber
Sea urchin
marine animals
triploblastic

Mollusca

scallops
squid
Body is covered by a mantle and shell.
three layers.
body is soft and unsegmented.

Cnidarians

Jellyfish
Starfish
two body layers
aquatic
tentacles with stinging cells

Porifera

Example Organisms
Demosponge
Hexactinellid
Characteristics
Reproduce sexually or asexually
filter feeders.
Has no nervous system.