Relatives
Comparative Anatomy
Environmental Changes
Adaptations
Fossils
100
Which are the closest relatives?
Bear
Opossum
Racoon
Racoon and Bear
100
When two species possess different bone structures but have the same function?
Analogous Structures
100
True or False: The Earth's surface is constantly changing?
True
100
Which trait would MOST likely help animals survive in a cold environment: long ears, large eyes, thick fur, sharp claws
Thick Fur
100
The solidified remains or imprint of a once living thing are called...
Fossils
200
Which are the closest relatives?
Sponge, Tunicate, and Human
Human and Tunicate
200
When two species possess similar bone structures but different functions?
Homologous Structures
200
What is the supercontinent called where all 7 of Earth's continents were connected?
Pangea
200
Here is an image of the modern whale and its ancestor. What conclusion can we make about the whale's ancestor?
The Whale's Ancestor could walk
200
True or False: Fossils can help us imagine the skin color of the organism
FALSE
300
Which are the closest relatives?
Shark, Dolphin, Wolf
Dolphin and Wolf
300
Is this image an example of homologous structures or analogous structures?
Homologous
300
True or False: Environmental conditions on earth changed in the past, but not in the present.
False: Environmental conditions on earth changed in the past and they are changing now.
300
When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called what?
Natural Selection
300
A fossil is almost always the remains of an organism preserved in ________.
Rock
400
This is the Pakicetus. It is the common ancestor to what animal?
Whale
400
Is this an example of analogous or homologous structures? IGNORE THE LAST ONE (HUMAN)
Analogous
400
In the image below, the environment the giraffe lives in changes. What changed about the giraffe?
Length of Neck
400
True or False: The giraffe was able to "extend" its next, during it lifespan, and thus was able to survive as a species.
False: The giraffe cannot adapt in its lifetime. Only giraffes that we able to survive, mostly with long nexts, were able to pass down this adaptation.
400
Who is older, Mr. O'Connor or Mr. Russo?
Mr. O'Connor by 2 months.
500
This animal is the common ancestor to what species?
Horse
500
Is this an example of comparative or analogous anatomy?
Analogous
500
Complete the sentence: There will be environmental changes that could lead to _______________ so that the species may survive.
Adaptations
500
This is a picture of the horse's hoof as it evolved over time. Why did the horse's hoof evolve from multiple toes to just one?
Environment changed from forests to plains
500
What type of scientist studies fossils?
Paleontologist