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Study
Grade 4 Unit 5 part 1 2
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to try to find out information about somebody
investigate
Oops!
Okay!
to move from one place to another, like a bird
migrate
Oops!
Okay!
the number of people or animals
population
Oops!
Okay!
Break down
Decompose
Oops!
Okay!
endangered, a very few left
threatened
Oops!
Okay!
a cell like a seed that is produced by some plants
spore
Oops!
Okay!
connected with the place where you were born and lived for the first years of your life
native
Oops!
Okay!
the natural world in which people, animals and plants live
environment
Oops!
Okay!
the ability to keep steady with an equal amount
balance
Oops!
Okay!
a lot of moisture in the air
humid
Oops!
Okay!
to take over the place without permission
invade
Oops!
Okay!
to be in charge of
control
Oops!
Okay!
a test to find out something is true or not
experiment
Oops!
Okay!
you see something for the first time
introduce
Oops!
Okay!
to hold inside
contain
Oops!
Okay!
a place an animal live and flourish
habitat
Oops!
Okay!
a fine soft green, grey or black substance like fur that grows on old food
mold
Oops!
Okay!
an event in which people do against each other to find out who is the best at sth
competition
Oops!
Okay!
to cover a wide area
spread
Oops!
Okay!
one type of animals that they can have babies
species
Oops!
Okay!
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