Animals and their young

Question 1

Invertebrates

jellyfish
mosquito
scorpion
spider
ant
snail
mayfly/dragonfly/grasshoper/silverfish/cockroach
fly 
beetle
antlion
louse
firefly
shrimp

Answer 1

ephyra
wriggler
instar
spiderling
antling
spat
nymph
maggot
grub
doodlebug
nit
glowworm
fry

Question 2

VERTEBRATES

dog/seal/fox/bat/cat/porcupine/squirrel
giraffe//bison/whale/rhinoceros/dolphin/porpoise/elephant
sheep
deer
bear/lion/wolf/fox
horse
monkey
kangaroo/koala
mouse
rabbit
zebra
goose/duck
bird
swan
crane
hawk
pigeon
hen/penguin/emu
frog
turtle/crocodile
snake/boa
eel
fish
mackerel

Answer 2

pup or kitten
calf
lamb, lambkin
fawn
cub
colt or filly, foal
infant
joey
pinky
kit
foal
gosling/duckling
nestling/fledging
cygnet
craneling
eyas
squab
chick
tadpole/polliwog
hatchling
neonate
elver
fingerling
spike