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