Place the five steps in building a phylogenetic tree in the proper order, from first construction step to last._____
The nucleotide or amino acid sequence must be aligned._____
Application of a selected method, using computer analysis._____
The alignment must be examined for a phylogenetic signal._____
Manual examination of the tree._____
Choose which tree-building method to use (common ones are phenetic or cladistic.)

Fill in the blank(s) with the appropriate word(s).


1, 4, 2, 5, 3

Biology & Microbiology

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The yellow zone in the tropical middle intertidal owes its color to:

a. sponges. b. boring algae. c. barnacles. d. limpets. e. crabs.

Biology & Microbiology

Blood flow distribution can be adjusted by

adjusting the diameter of the

a. arteries. b. capillaries. c. arterioles. d. veins. e. venules.

Biology & Microbiology

Ex: QS in Vibrio fisheri

What will be an ideal response?

Biology & Microbiology

Which of the following can be found in the mesohyl of a sponge? 1. amoebocytes 2. spicules 3. spongin 4. zygotes 5. choanocytes

A) 1 and 2 B) 2, 3, 4 C) 1, 2, 3, and 4 D) 1, 2, 3, 4, and 5

Biology & Microbiology