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T1 writes Ra2, T2 writes Rb1, T3 reads Fa and writes Ra1, T4 reads Fb.      (4 Points)  0 _______ 1 _______ 2 _______ 3 _______ 4 _______ 5 _______ 6 _______ 7 _______ 8 _______ 9 _______ 10 _______ 11 _______ 12 _______ 13 _______ 14 _______ 15 _______ 16 _______ 17 _______ 18 _______ 19 _______ 20 _______ 21 _______ 22 _______ 23 _______

Biologists hypothesize that the first animal evolved from colonies of protists in ancient seas.

Read the riddle and match it to the correct animal phylum:  

All chordates share four fundamental features as seen in the below figure of a juvenile frog. Match the chordate trait to its human equivalent:

Click on an example of radial symmetry from the following three ogranisms:

Complex cells evolved from simpler cells, and this was a significant event in the history of life!

Click on the following bacteria that represent the common cocci shape. 

Which of the following analogies best describes the relationship between humans and chimpanzees?

is used to describe all eukaryotes that do not belong to the plant, animal, or fungus kingdoms.

Each apartment listing below describes a very unusual place to live. Based on what you know about extremophile archaea, match each listing to the correct resident (archaea species) to help them find a home they’ll love!