Chapter 9 Flashcards
Phylogeny
tree of life
going from species to many branches/ more species
Taxonomy
Process of identifying and character animals
3 Domains
- bacteria
- Aruba
- eurkates
Hierarchy order
Domain
Kingdom
Phylum
Class
Order Families
Genus
Species
Dr King Phillip came over for goof soup
Kingdom
animals, plant etc
Phylum
chordate for example
class
mammals etc
genus
closely related structure for example tiger/lion/cat
Phylum Chordate
4 key features:
1. Nerve Cord (spinal Cord)
2. Tail (tail bone)
3. notochord (flexible rod that runs down)
4. Pharyngeal slit (estation tubes)
Class Cartilaginous fish
Jaws (evolution appearance)
have skeleton (not bone but cartilage)
lay eggs (soft)
have jaws
gills (have to keep moving to keep oxygen)
Class Bony Fish
calcium skeleton (evolution appearance)
huge class
don’t have to keep moving to get oxygen
class amphibious
four limbs (evolution adaptions)
frogs toads
tretapod with 4 limbs
must lay eggs in water but adults have lungs to life on land
class Reptiles/ aves
amniotic eggs (evolution adaption)
water proof skin
no need for water to reproduce
divided into two orders
1. orithischia (bird hipped)
2. saurishia (lizard hipped
Aves: birds
class mammals
hair and mammory glands (evolution adaption)
hair
produce milk for offspring
can rapidly diversify
Sub groups Mammals
placentals.
monotremes
marsupials
placentals
have placenta
produces much of hormones
connects fetus and uterus via umbilical cord
