Even if philosophers accept and study the importance of change, a full theory of evolution by natural selection cannot exist without:
a. understanding the sorts of changes that have taken place.
b. recognizing the significance of testing one's hypotheses.
c. realizing that some species go extinct over time.
d. realizing the vast expanses of time over which some changes take place.
e. B and C.
D
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In a DNA profile analysis using two loci, the chance of a match between two unrelated individuals at one locus is 1 in 400, and 1 in 1000 at the second locus. Therefore, the overall probability that two unrelated individuals will match at both loci is ____________________
Fill in the blank(s) with correct word
A community refers to ____
a. the interaction between populations and their environment b. the interaction between species and their environment c. an area in which a single species lives d. all species that live and interact in a specific area e. the nonliving components of an area
Which example describes microevolution?
A) Birds evolved from dinosaurs. B) Lions and tigers evolved from a common cat-like ancestor. C) HIV evolved resistance to antiviral medications. D) Land plants evolved from algae.
Transgender individuals
A. often seek sex change (gender reassignment) surgery. B. believe they are a sex different from what their body is. C. often dress and behave as a gender different from what their body is. D. All of the above are correct.