A drawback of the biological species concept is that it cannot be applied to:
A. extinct organisms (e.g., fossils).
B. asexual organisms such as bacteria.
C. polymorphic species.
D. extinct and asexual organisms.
E. all of the answer options are correct.
D
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Of the taxonomic groups listed below, which is the broadest (contains the most species)?
A. Phylum B. Family C. Class D. Kingdom E. Order
Fertilization typically occurs in the ____
a. ovary b. oviduct c. uterus d. cervix e. vagina
What is a family tree that is used to follow human matings that have already occurred?
A) test cross B) karyotype C) sex-linked record D) pedigree
The comparison of embryos across species reveals the conservative nature of the genes responsible for ____.
A. food procurement B. reproductive behavior C. embryonic development D. embryonic size E. embryonic intelligence