The frog can ............... its chest when it's scared.
crash into
puff out
get rid of
tire out
Nobody could............ that the man was innocent.
prefer
compete
prove
attract
I like to .................. in football matches with my friends.
compete
attract
crash
prefer
Blue-footed boobies lift up their ....................to attract females.
heads
feet
fins
feathers
Male elephant seals.....................to show who is stronger.
lift
fight
attract
dance
She is a scientist who studies the _________________ of chimpanzees.
weight
behavior
citizen
research
The lion looked ................. as he roared at the zoo visitors.
poisonous
prove
fierce
calm
Running a marathon can ......... even the strongest athletes.
tire out
calm down
show off
crash into
Why do male blue-footed boobies show off their feet?
to show they are strong and healthy
to prove they can dance
to warn females of threats
to survive in a competition
Weight lifting can help build muscle .................
difference
behavior
cleverness
strength
......................actions are very intense or extreme.
Silent
Fierce
Gentle
Healthy
Why do male elephant seals fight each other?
to get food for the females
to scare the females away
to show the females who is stronger
to gain more weight
Please .................... your shoes before entering the house.
pull
remove
prove
gain
He likes to ................. his new toy car to his friends.
puff out
show off
crash into
tire out
Snakes can be ....................., so be careful in the forest.
attract
compete
poisonous
remove
Male humpback dolphins give............to females as a gift.
sponges
hats
fish
sand
Be careful not to ................... the wall while riding your bike.
crash into
puff out
tire out
show off
A male...........shows off his beautiful feathers to attract mates.
guppy
blue-footed booby
frigatebird
peacock
The boy saw a big balloon and tried to ................ his cheeks like it.
block out
tire out
puff out
crash into
The nice smell of cookies will ............. many people to the kitchen.
prove
compete
prefer
attract
Elephant seals huge bodies can weigh up to....................
40,000 kg
400 kg
4,000 kg
1,400 kg
Male ...............use their antlers to battle one another for females.
deer
humpback dolphin
blue- footed booby
elephant seal
What is false about male elephant seals?
They crash into each other repeatedly.
Who gets hurt or tires out loses the fight.
They compete to see who is stronger.
Elephant seals have gentle fights.
The scientist must ................... his theory with experiments.
prefer
prove
compete
compose
To.............means '' to get tired or make someone tired.''
puff out
block out
tire out
crash into
I ................ tea to coffee in the morning.
attract
wonder
prove
prefer
Bright colors .................. butterflies to the garden.
remove
attract
gain
prove
Someone's ............................is their physical power or energy.
fight
thought
weight
strength
Which animal puffs out his bright red pouch to attract females?
A male guppy
A male blue-footed booby
A male frigatebird
A male peacock
Male blue-footed boobies lift up their feet while......................for females.
singing
fighting
hiding
dancing
I ...................apples to oranges when choosing a snack at school.
attract
prefer
dislike
prove