The comparison of homologous traits in living and extinct organisms is an example of ____

a. comparative morphology
b. taxonomy
c. historical biogeography
d. paleontology
e. molecular biology


ANSWER: a

Biology & Microbiology

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Abnormal epigenetic patterns of DNA ____________________ are associated with many types of cancer, and the removal of ____________________ groups can activate genes involved with cell growth and can increase genomic instability

Fill in the blank(s) with correct word

Biology & Microbiology

If you discovered a new colonial organism living deep on the sea floor, how could you determine whether it reproduced sexually or asexually? (Check all that apply)  

_____  Compare DNA to see if nearby individuals are identical. _____  Compare morphology to see if nearby individuals are identical. _____  Look for external buds still attached to the parent. _____  Look for a coelom. _____  Look for gonads with mitotic figures and embryos. _____  Look for gonads with meiotic figures and gametes. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about sexual vs asexual reproduction? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Proces Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Animals that acquire energy efficiently during foraging will increase their fitness by having more energy available for _______________.  

A.  competition B.  defenses C.  respiration D.  reproduction

Biology & Microbiology

Acylhomoserine lactones used in quorum sensing regulate their own synthesis by a(n) ________ system.

A. riboswitch B. antisense C. autoinduction D. catabolite repression

Biology & Microbiology