What is the most logical reason that two organisms would have identical cytochrome-C protein
sequences yet are different species?
Biogeography is a study of the location of organisms around the world. Which of the following best explains how biogeography can provide evidence for evolution?
Humans and chimpanzees have almost identical DNA and many similarities in anatomy. Which statement about evolutionary relationship between modern humans and chimpanzees is supported by these facts?
Which of the following observations best supports the conclusion that two animal species evolved from a common ancestor in recent geological history?
The bone structures in a bat wing and a whale flipper are shown. They have one bone, 2 bone, many (little) bone pattern which makes them homologous structures. Which of the following statements best explains the similarity between the bone structures in the bat wing and the whale flipper?

Katydids are insects that live on plants. Their bodies are adapted to look like leaves. This is an example of co-evolution. Which of the following best explains why katydids adapted this trait?
How do fossils provide evidence that evolution has happened on Earth?
Which of the following is a true statement?
Organism #1: T A C C C G T A A T G T G T A C G A G C T T T A
Organism #2: T A C C C C T A A T G T G T A C G A G C C T T A
Organism #3: T A C G C G A A T G T T G T A C G A A A G T T A
Using the above data and your answers from the previous questions, select the answer
Anatomy that is similar in structure but differ in function (bat wings, alligator forelimbs, human arms, penguin wings)
Body parts that share a common function, but not structure like bird wings & butterfly wings
Structures that are reduced in size and are no longer useful.
Two organisms that are closely related would have...
Scientists compare organisms' DNA to support the theory that all species share a common ____
Similar structures with different purposes found in different species are known as...