Page 141 - A Field Guide to Fairfax County's Plants and Wildlife

ivity: The key to success (Part 2)

Select two animals from the Field Guide. Use the classification key shown
below to identify them.

Animal

Vertebrate Invertebrate

Lives entire life in Not a Body soft, no hard shell Body with hard shell
water; limbs adapted fish or exoskeleton or exoskeleton
as fins; body covered

w/scales; breathe
with gills (Fish)

Lives part of life in Not an Body long, Body short, Body covered Body encased
water; skin moist amphibian slender, plump, not with stiff but in hard shell
& smooth; lays segmented flexible plates
soft-shelled eggs segmented
(Worm) (Slug)
(Amphibian)

Body short, Body long Legs Legs >100 Single, Shell
no tail; large w/tail; legs <100 (Myriapod) usually divided
same length; spiral
hind legs no claws Legs <10 10 pairs of legs shell into
adapted (Salamander) pairs (Crayfish) (Snail) halves
for jumping (Mussel)
(Frog) Lives mostly
on land; skin Legs <7 7 pairs of legs
Body & tail dry & scaled; pairs (Isopod)
long; no
legs, ears lays hard- Not a 4 pairs of legs 3 pairs of legs
or eyelids shelled eggs reptile (Tick, spider, other (Mayfly, bee, moth,
(Snake)
(Reptile) arachnids) other insects)

Body slim; Stout body Skin covered w/feathers; Skin w/fur or hair (at some point
has legs & encased in forelimbs adapted for in life cycle); gives live birth;
clawed feet, bony shell flight; lays hard-shelled nourishes young w/milk from
ears & eyelids (Turtle or eggs (Bird) mother (Mammal)

(Lizard) tortoise)

Challenge yourself! Go outside and find several plants and animals that
are not in this Field Guide. Use the Plant Key on the previous page and
the Animal Key on this page to identify them.

r 137 r