Something to do with Diversity of living things?
2006-12-10 12:57:58 · 2 answers · asked by severe_pink 1 in Science & Mathematics ➔ Biology
Fish
* live in water
* breathe with gills
* have skin covered with scales
* have fins
* lay soft eggs
* are cold-blooded.
Amphibians
* the young live in water, adults live on land
* the young breathe with gills, adults breathe with lungs
* have moist, scale-less skin
* have 4 legs
* lay soft eggs
* are cold-blooded.
Reptiles
* mainly live on the land
* breathe with lungs
* have scaly skin
* have 4 limbs or no0 limbs (snakes)
* lay eggs with leathery shells
* are cold-blooded.
Mammals
* mainly live on land
* breathe with lungs
* have fur or hair covering their body
* most have 4 legs, or 2 legs and 2 arms
* give birth to live young (monotremes are an exception)
* feed their young on milk produced by mammary glands
* are warm-blooded.
Birds
* live on the land
* breathe with lungs
* have feathers covering their body
* have 2 legs and 2 wings
* most can fly
* lay eggs with hard shells
* are warm-blooded.
2006-12-11 16:10:53 · answer #1 · answered by john h 7 · 0⤊ 0⤋
fish
amphibians
reptiles
birds
mammals
2006-12-10 21:04:27 · answer #2 · answered by b_w 2 · 0⤊ 1⤋