Animal Kingdom

1) multicellular

2) heterotrophic- ingest food

3) blastula/ gastrula stages in development

4) invertebrates (95%) / vertebrates (5%)

5) Lower invertebrates

a) Ph Porifera - sponges

b) Ph Cnidaria -jellyfish etc- animals with stinging cells

c)Ph Platyhelminthes - flatworms - many of these are parasites- ex. tapeworm

d) Ph. Nematoda -roundworms - these are found everywhere- many are parasites

6) Higher invertebrates- circulatory system

a) Ph. Mollusca -mollusks- clams, snail, octopus divergent evolution

b) Ph Annelida -annelids- segmented worms- ex earthworm, leeches, sea worms

c) Ph Arthropoda arthropods-

crustaceans (lobster, shrimp, crab)

arachnids - 8 legs

insects - 6 legs

d) Ph Echinodermata - echinoderms- sea stars etc. spiny skin

7) Vertebrates- have a backbone

a) Fish

b) amphibians

c) reptiles

d) birds

e) mammals

Moving from water to land

fins--->legs

gills---> lungs

thicker skin

external fert /development ---> internal

Warm blood and breathing air allows for a better brain.
Birds and mammals are warm-blooded

SCI-REMINDER 11 vertebrate systems

Skeletal, circulatory, immune, respiratory, excretory, muscular,

Integumentary (skin etc), nervous, digestive, endocrine, reproductive