Classification Groups Flashcards
What do all vertebrates have in common
A backbone
Key features of mammals
-hair
-four chambered heart
-placenta
-mammary glands
-different types of teeth
Key Features of birds
-Feathers
-four-chambered heart
-beak
-lay eggs with hard shells
Key features of reptiles
-scales
-lay soft-shelled eggs on land
Key features of fish
-scales
-lay eggs with no shells in water
Key features of amphibians
-smooth skin
-lay eggs with no shells in water
What do all arthopods have in common
-joint legs
-segmented bodies
Key features of arachnids
-body divided into head and cephalothorax
-four pairs of joint legs
Key features of insects
-body divided into head,thorax and abdomen
-six jointed legs stacked to the thorax
Four wings attached to the thorax
Key features of Myriapods
Many similar segments,each with at least one pair of jointed legs
Key features of Crustaceans
More than four pairs of jointed legs,hard shells
There are several groups with the plant kingdom what are those
Ferns
Flowering plants
What do monocotyledons have
-a single cotyledon
-flowers have parts in sets of three
-strap shaped with parallel veins
-branching root system
What do dicotyledons have
-two cotyledons
-sets of four or five of flowers
-network of veins
-tap root
Why is virus not classified as a living organism
Viruses are not usually classed as living organism because they are not made of cells
