Science - Chapter 2 - Fossils and Dinosaurs

Question 1

any part or trace of a living organism that is naturally preserved after it dies

Answer 1

fossil

Question 2

As an animal’s bone or wood of a tree decay, it is slowly replaced by minerals. These minerals hardened over time and formed rock, becoming…

Answer 2

petrified fossils

Question 3

imprint of an organism in the rock, left when an organism decomposed after fine sediment covering it hardened, leaving an empty space

Answer 3

mold

Question 4

a copy of the shape of the organism

Answer 4

cast

Question 5

Parts of plant or animal turned to carbon forming a dark image of itself in the rock

Answer 5

carbon film

Question 6

formed from something that an organism left behind, such as a footprint, a hole where animal lived, or an animals droppings

Answer 6

trace fossils

Question 7

developed gradually over millions of years

Answer 7

evolved

Question 8

scientific study of fossils

Answer 8

paleontology

Question 9

removing a fossil from the rock around it

Answer 9

excavation

Question 10

an extinct group of land dwelling, cold blooded reptiles

Answer 10

dinosaur

Question 11

When the last of a certain plant or animal dies

Answer 11

extinction