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Which of the following was common in each of the fossil findings below?
whale teeth and whale earbone
nostril between eyes and nose
When something is similar in function to something else, we refer to it as ___________.
If something continues to exist without retaining its original function, it is considered to be ___________.
Evolution occurs as organisms ___________.
are buried in sediment
obtain structures that they no longer use
adapt to their environments
The human hemoglobin molecule contains a chain of 146 amino acids. The chart below shows how many amino acids in other animal hemoglobin differ from the human hemoglobin. Based on this evidence alone, to what animal are humans more closely related?
A paleontologist uncovers a series of fossils in a piece of rock.
-Fossil A was found 1 meter deep.
-Fossil B was found 3 meters deep.
-Fossil C was found 4 meters deep.
-Fossil D was found 10 meters deep.
Which fossil is the oldest?
What can we conclude from the similarities in the baleen whale and hummingbird skeletons?
The whale could fly at one time.
The hummingbird could once swim.
Both animals evolved from a common ancestor.
There is nothing to conclude because they are so different.
Chicks and humans both have gill slits during development. What does this tell us about chicks and humans?
Their embryos use gills to breathe during development.
They both evolved from a common ancestor who had gills.
Chicks are able to breathe underwater.
They evolved from different ancestors.
Which of the following increases the probability that an animal will transform into a fossil after it dies?
The animal dies on a forest floor.
The animal is buried in sediment on the bottom of a river.
The animal is immediately eaten by a predator.
The animal dies in a field in the middle of the summer.
Which statement can be best supported by the pictures of the embryos.
Chickens are more closely related to tortoises than rabbits are.
Rabbits, chickens, tortoises, and fish are all equally related to each another.
Fish do NOT share a common ancestor with other vertebrates.
Fish and chicken are the least closely related.
Which answer choice lists the following geologic time periods in the correct order?
Cenozoic, Mesozoic, Paleozoic
Paleozoic, Mesozoic, Cenozoic
Paleozoic, Cenozoic, Mesozoic
Mesozoic, Cenozoic, Paleozoic
A ___________ is the trace, or remains, of an organism, usually found in sedimentary rock.
The ___________ states that older rocks are in deeper layers and rock layers on the top are younger.
Law of Conservation
Law of Old Rocks
Law of Superposition
Law of Young Rocks
___________ is a method of determining whether an object is older or younger than other objects.
A(n) ___________ is a fossil found in rock layers of one geologic time period and used to establish age of rock layers.
new age fossil
True/False: The discovery of the furcula, or fused clavicle bone, in Archaeopteryx was a firm confirmation of the relationship between birds and dinosaurs.
True/False: Embryos of different species will never appear to be similar to one another.