Unit 1 English ENG

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Domanda English Risposta English
Preserved remains of once-living organisms
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fossils
A sticky layer that surrounds the cell walls of some bacteria, protecting the cell surface and sometimes helping to glue the cell to surfaces.
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capsule
To save; to keep from harm; to protect
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preserve
a very small amount
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trace
a mark of a foot or shoe on a surface
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footprint
to put into the ground and cover with earth
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bury
more than two but not many
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several
generally
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commonly
small, solid pieces of material that come from rocks or living things
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sediment
A mixture of rich soil and tiny rocks
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silt
A wetland ecosystem in which shrubs and trees grow
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swamp
a hole in the ground made by an animal for shelter
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burrow
A type of fossil formed when a shell or other hard part of an organism dissolves, leaving an empty space in the shape of the part.
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mold
a solid copy of the shape of an organism
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cast
containing nothing
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empty
The physical gap or interval between two objects
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space
fading away of memory over time
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decay
to become or make something become firm, stiff, or solid
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harden
A scientist who studies fossils
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paleontologist
a living being, especially an animal
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creature
go aimlessly; wander
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roam
having no doubt; sure
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certain
to look at something carefully by attention to its parts
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analyze
to develop gradually
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evolve
a series of x-ray photographs taken from different angles and combined by computer into a composite representation of a slice through the body
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CT scan
very old
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ancient
also, in addition
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additionally
extremely important
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crucial
technique of joining two pieces of fabric edge to edge
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piecing
the study of geographic phenomena by visiting places and observing how people interact with and thereby change those places
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fieldwork
Marked by richness of growth, especially of vegetation.
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lush
before written history
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prehistoric
prosper; flourish
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thrive
very large
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vast
proof
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evidence
Parts of something that are left after the rest is gone.
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remains
To keep something safe and stop it from being destroyed.
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preserve
A group of animals or plants of the same kind.
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species
No longer living anywhere in the world.
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extinct
To slowly become a fossil over a very long time.
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fossilize
A small sign that something was there in the past.
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trace
To slowly break down or rot after death.
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decay
An animal that eats animals that are already dead.
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scavenger
Full of healthy, green plants.
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lush
From a time before people started writing history.
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prehistoric
The slow way living things change over many generations.
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evolution
An animal that hunts and eats other animals.
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predator
Information or signs that show something is true.
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evidence
The complete disappearance of a species from Earth.
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extinction
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