An attribute that increases an organism's fitness, as compared to individuals lacking it, is called a(n) ________
Fill in the blank(s) with correct word
adaptation
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A metabolic pathway:
a. may build or break down molecules b. generates heat c. can include an electron transfer chain d. may build or break down molecules and can include an electron transfer chain e. all of these
The mammalian jaw is an example of what kind of moveable joint?
A. Hinge joint B. Gliding joint C. Ball-and-socket joint D. Combination joint
The differentiation of the sex of an embryo
A. occurs about month 4 of fetal development. B. is determined by the presence or absence of the Y-chromosome and its genes. C. occurs at conception. D. is highly variable from one embryo to another.
Which kingdom or supergroup is characterized by organisms that are saprotrophic by absorption?
A. Fungi B. Animal C. Protists D. Plant