This is a characteristic that helps an individual's ability to survive and reproduce in an environment.
(Page 298)
What is adaptation?
100
This is a group of organisms that are closely related and can mate with one another.
(Page 298)
What are species?
100
Scientists have OBSERVED that species ______ over time.
(page 299)
What is change?
100
This is the trace or remains of an organism that lived long ago.
(HINT: We most commonly find these imprints in rock.)
(Page 300)
What are fossils?
100
All fossils that have been found make up the fossil _______.
(Page 300)
What is record?
200
Both long necks and striped fur are examples of _______ adaptations.
(Page 298)
What is physical?
200
All strawberry poison frogs are members of the same _________.
(Page 298)
What is a species?
200
Scientists also observe that the ___________ characteristics in populations change over time.
(Page 299)
What is inherited?
200
Fossils usually form when a dead organism is covered by a layer of _________.
(Page 300)
What is sediment?
200
Scientists can learn about the history of life on Earth by doing THIS.
(Page 300)
What is "examine the fossil record"?
300
B________ adaptations help an organism to find food, protect itself, or reproduce.
(page 298)
What is behavioral?
300
A group of individuals of the same species living together in the same place is a _________________.
(Page 298)
What is a population?
300
The process in which populations change over time.
(Page 299)
What is evolution?
300
Sedimentary rock is formed when particles of ______, _________, or ________ are deposited in in horizontal layers.
(Page 300)
What is sand, dust, or soil?
300
Scientists think that all living species descended from common _________.
(Page 301)
What are ancestors?
400
The smokey jungle frog blends into the forest fur. This is an example of a ____________ adaptation.
(PHYSICAL or BEHAVIORAL, Page 298)
What is physical?
400
Why can't tigers and lions mate to produce fertile offspring?
(From your head, using information from page 298)
They are not the same species.
400
Species make _____________ that allow them to survive better. This means that they have evolved.
(Page 298)
What are adaptations?
400
After a rock layer forms, newer rock forms layers on ______ of it.
(Page 300)
What is top?
400
The arm of a human, the front leg of a cat, the front flipper of a dolphin, and the wing of a bat do not look alike and are not used in the same way. But under the surface, they are ___________.
(Page 304)
What is similar?
500
The giraffe used to have a shorter neck. Giraffes with longer necks were able to reach more leaves from higher trees, and were able to eat more than the other giraffes. Over time, the longer-necked giraffes were able to survive long enough to have offspring (or babies). What adaptation did giraffes make?
From your head! (using information found on page 298)
What are longer necks?
500
Since life first appeared on Earth, many species have _______ _______ and many new species have appeared.
(page 299)
What is "died out?"
500
Have all the species on Earth always existed here?
(Page 299)
No.
(They have evolved over time, or made adaptations!)
500
Minerals in the sediment may seep into the buried organism, and replace that organism with _________.
(Page 300)
What is stone?
500
Scientists draw THESE to illustrate how species are related (or carry a common ancestor).
(HINT: the illustration on the bottom of page 301 is an example of this)
(Page 301)