Describe the evolutionary relationship of lancelets to tunicates and to hagfishes. Are lancelets more closely related to tunicates or to hagfishes, or are they equally related?
What will be an ideal response?
Lancelets are equally related to tunicates and to hagfishes. The most recent common ancestor of lancelets and tunicates is the common ancestor of chordates. The most recent common ancestor of lancelets and hagfishes is the same (the common ancestor of chordates).
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pests would be considered __________.
a. primary producers b. primary consumers c. secondary consumers d. tertiary consumers
The 9 + 2 complex refers to ____
a. flagella b. Golgi complex c. ribosomes d. cilia e. both flagella and cilia
The process illustrated in Figure 13-3 is:
a. DNA synthesis. b. translation. c. transcription. d. a frame shift mutation. e. protein synthesis
Based on the accompanying figure, which label describes diploid cells?
a. 2
b. 3
c. 4
d. 5
e. 6