Other vertebrates - PowerPoint PPT Presentation

1 / 6
About This Presentation
Title:

Other vertebrates

Description:

Hellbenders, Desmognathus -- fish with legs. Lakes. Tiger ... Ducks, geese predators, grazers. geese feed terrestrially, defecate in water add nutrients ... – PowerPoint PPT presentation

Number of Views:46
Avg rating:3.0/5.0
Slides: 7
Provided by: jackwe4
Category:

less

Transcript and Presenter's Notes

Title: Other vertebrates


1
Other vertebrates
Phylum Chordata   7 Classes Chondrichthyes --
sharks Agnatha jawless fish
(lampreys) Osteichthyes bony
fish Amphibia Reptilia Aves Mammalia    

2
  • Amphibians
  • Salamanders -- predators
  • Streams
  • Hellbenders, Desmognathus -- fish with legs
  • Lakes
  • Tiger salamanders breed in temporary pools
  • Newts

3
  • Amphibians (cont.)
  • Frogs and toads immatures aquatic scrapers,
    adults terrestrial predators but often feed on
    adult aquatic insects

4
2. Reptiles Water snakes Turtles Crocodiles and
alligators Mostly predators except some turtles
5
  • Birds 11 orders with representatives that are
    closely associated with freshwater
  • Egrets, Herons waders, predators
  • Gulls, pelicans predators
  • Ducks, geese predators, grazers
  • geese feed terrestrially, defecate in water
    add nutrients
  • Cormorants, anhengas divers, predators
  • Eagles, ospreys, kingfishers predators
  • Spoonbills, flamingos filter feeders,
    zooplankton
  • Sandpipers -- invertebrates

6
4. Mammals Bears piscivores sometimes Beavers
Ecosystem engineers 60-400 Million in NA
before Europeans Almost extinct, 6-12 million
today Convert streams ?lakes Feed
terrestrially Moose grazers Hippos terrestrial
grazers Coons predators Otters, mink
predators Platypus invertebrates Manatees
feed on aquatic plants
Write a Comment
User Comments (0)
About PowerShow.com