A panther has a second set of claws under the skin about three inches. For the past fifty years no scientist has ever seen these claws outside the skin. They can be taken out, causing no harm to the panther. It is believed that in earlier times the panther needed them to defend itself against extremely large animals, like the saber-toothed tiger. What would these claws be an example of?
According to DNA studies, what is the closest relative to the bear?
Upon looking at the unborn baby of a rhinoceros and an unborn baby of a hippopotamus, it can be concluded that they are closely related. What has been used to conclude this?
What are remains of life from an earlier time called?
What is the type of rock formed by fine particles, such as mud?
What is the method of dating fossils based on their position in rock layers?
Where are most fossils found?
A vulture has 15 tiny bones in each wing, 25 blood vessels, and 7 muscles that connect those bones. A shark has 15 bones in each fin, 25 blood vessels, and 7 muscles that connect those bones. What are these similarities in different organisms called?
What is also known as "Survival of the Fittest"?
What scientist proposed the theory that characteristics developed during an organism's life can be inherited, that was shown to be false?
What is a group of organisms that look similar and reproduce among themselves?
What survival method do caterpillars rely on to blend in with the trees they crawl on?
In the Sahara Desert, there are 225 million cacti (plural of cactus). 225 million is the ________ of the cacti.
Which statement is part of the theory of Natural Selection?
Differences such as fur color in cats are __________.
No mutation has been found to be helpful.
Adaptations help organisms to survive in their environment.
New species originate through evolution.
Bones are the only useful form of fossils.
Which type of fossil dating provides the most accurate results?
In relative dating, the top layer is always the oldest.
In the country of Brazil, in one section of the rainforest there are trees and plants that are green with white spots. This is the Beaded Lizard’s habitat. The Beaded Lizard has typically been solid green or solid white, but recently several have been seen with a new variation of green with white spots. If we checked the population of the Beaded Lizard in 25 years, which color would most likely have the highest population?
What is the theory of evolution that supports your choice in #22 - the change in the Beaded Lizard?
Which scientist’s theory is most accepted today in explaining the evolution of the Beaded
Lizard?The fossil record is incomplete because not all fossils have been found, and most organisms decompose and are not preserved as fossils.