Domains and kingdoms
What domain are the chondrichthyes?
Eukarya
How do they reproduce
Sexual reproduction
How far do Chondrichthyes date back?
400 million years!
What do Chondrichthyes have instead of bone
cartilage
How many species are there?
1000!!
What kingdom to chondrichthyes belong to?
Animals
Internal or external fertilization?
Internal!!
What kind of habitat do they live in?
Marine environments and sea floors
What makes them float in water
an oil filled liver
Multi or uni cellular?
Multi cellular
What phylum do Chondrichthyes belong to?
Chordata
How many chambers are in Chondrichthyes hearts?
Two chambered heart
Endothermic or Ectothermic?
Ectothermic
how many gills do chondrichthyes have
5-7 gill slots
Heterotroph Or autotroph
heterotroph!
What sub phylum do Chondrichthyes belong to?
Vertebrata
How do chondrichthyes breath?
Gills and spiracles and oxygen from the ocean
Latin or Greek roots?
Greek roots!
What fins do they all have
Dorsal, pectoral and annal
Prokaryote or eukaryote
Eukarote!
Why are chondrithyes in the chordata phylum?
Because they have a dorsal nerve cord that runs down the body
How do Chondrichthyes give birth?
Mostly live birth
Meaning of ’chondr’ and ‘-ichthyes’
Greek for cartilage
Greek for fish
Are they covered in thick scales and skin?
yes they are
Are Whale sharks, great whites, manta rays and spotted eagle rays apart of chondrichthyes
Yes they are!!