Whales use their long __ to help them control their movement in the water.
flippers
__ land animals are generally fast, with sharp teeth and claws.
predatory
We must all __ ourselves for the tests, essays, and final exams at the end of the year.
brace
You should be there to __ your teammates when they are going in to score a point.
reinforce
Birds __ their feathers to stay clean, get rid of bugs, and make their feathers a good shape.
preen
__ your feet in the sand so the big wave won't push you away.
brace
__ food like dumplings, fried rice, and pizza is convenient, but I heard it's not healthy to eat.
frozen
Susan found a bird's egg in a nest behind her house, and put the egg under her lamp to see if it would __.
hatch
I think just one or two tissues will be enough to __ the tiny bit of spilled juice.
absorb
Mold can __ in wet and hot places, so keep your food in the refrigerator especially during the summer.
flourish
The birds in the park __ at the ground, looking for tasty worms or bugs.
peck
The SPAS hallway is __ because there is no heater.
inhospitable
The tomato plant __ in the community garden, growing much faster than in the small pot in the apartment.
flourish
Kids and even some adults like to __ a stuffed animal in bed before they go to sleep.
cuddle / snuggle
Poop is just solid waste or nutrients that your body couldn't __ from your food.
absorb
Millie went to the museum to see old __ jewelry and tools used by people long ago.
earthen
Everybody should have a place that is like their __, where they can feel safe and be alone if they need.
refuge
Don't set your phone alarm to __, or it might be too quiet to wake you up.
vibration
Dogs are messier than cats because when dogs lick, they get __ all over your hand or face.
saliva
It would be __ to live alone in the forest with no heat, AC, wifi, or grocery stores.
inhospitable