Based on fossil evidence, ____ is the oldest of the species listed
a. Homo habilis
b. Homo erectus
c. Australopithecus africanus
d. Australopithecus afarensis
e. Homo neanderthalensis
ANSWER: d
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Match the structure of the amniotic egg with the correct description.
1. Allantois 2. Yolk sac 3. Chorion 4. Amnion a. Protection of the embryo b. Gas exchange c. Compartmentalizes wastes d. Contains nutrients
Most skeletal muscles attach to ____
a. other tissues b. bones c. the backbone d. a body opening e. other muscles
Which group of mammals exhibits the widest
distribution and greatest diversity? a. marsupials b. monotremes c. placentals d. marsupials and monotremes e. placentals and monotremes
In order for a substance to transfer a phosphate to ADP in a substrate-level phosphorylation reaction, which of the following must be true?
A. The phosphate donor must have a higher phosphate transfer potential than ATP. B. The phosphate donor must have a higher oxidation-reduction potential than ATP. C. The phosphate donor must have a lower oxidation-reduction potential than ATP. D. The phosphate donor must have a lower phosphate transfer potential than ATP.