Marine Reptiles, Birds, And Mammals Flashcards
Amphibians
1st land tetrapods
Tetrapods
Having 4 limbs
Reptiles
Evolved from Amphibians
Birds and Mammals
Evolved from different groups reptiles
Poilkilterms
Internal temps varies, cold blooded
Ectotherms
Metabolic rates varies with temp
Carapace
Bodies enclosed by a shell that is infused to a backbone
-like a sea turtle
Arribada
Mass nesting, 100-200 eggs
Temperature dependent sex determination
- nest incubated at higher temps: hatch as females
- global climate change: sex ratios
Why are sea turtles in endangered?
Meat Tortoiseshell jewelry Leather Artificial light Collection of eggs Net entailment Plastic consumption
Endangered
Probably not going to survive
Ovoviviparous
Give birth to live young
Marine iguana
Herbivores
Inhabit Galapagos island
Evolved from land iguanas
Salt water crocodile
Inhibit mangrove swamps (Indian Ocean, Australia, some western pacific islands
- live mostly on the coast
- most aggressive
What qualities a bird to be considered a seabird?
Spend a significant portion of their life at sea Homeotherms Endothermic Covered in waterproof feathers Oil glands at base of the tail Light hollow bones
Seabirds and reproduction
Breed in large colonies
Mate for life
Build nests on ground
Lay fewer eggs: parental care
Beluga whale creature of the week
Mammal
Completely white due to living in the Arctic
Cetacean
No dorsal fin
Penguins
Powerful swimmers with streamline bodies
Flightless
Clumsy on land because they are near sided
Live only in the Southern Hemisphere
What is unique about penguins and reproduction
Mate for life
Lay eggs during coldest time so they hatch during winter
Use parental care
Name 3 types of Tubenoses
Albatrosses
Shearriaters
Petvels
Salt glands
Empty into nostrils
Pelicans and related birds have
Have a pouch below beaks
Feed by plunging into the water to catch fish
Comorants birds have
Black, long-necked
Five to purse prey
Frigate birds
Narrow wings, long forked tail
Force other seabirds to regulate
Not waterproof