If two organisms of different species share more similar DNA sequences with each other than with other species, we can conclude that ________.
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Which of the following is human’s closest living relative?
Which of the following is human’s closest living relative?
The urethra ________.
The urethra ________.
Which carbohydrates are present on the surface of the red bl…
Which carbohydrates are present on the surface of the red blood cells of a person with blood type O?
Which of the following phyla is the most diverse and numerou…
Which of the following phyla is the most diverse and numerous of all animal phyla?
The main hypothesis about the origin of the first living org…
The main hypothesis about the origin of the first living organisms is called ________.
Mollusks are more closely related to flatworms than to round…
Mollusks are more closely related to flatworms than to roundworms.
All mammals live on land.
All mammals live on land.
Mollusks are more closely related to flatworms than to round…
Mollusks are more closely related to flatworms than to roundworms.
How long ago did the hominin lineage, the human branch of th…
How long ago did the hominin lineage, the human branch of the evolutionary tree of life, split away from other primate groups?