Why is it unlikely that we will find fossils of
every extinct species?
a. Most dead organisms are eaten by
scavengers.
b. Organic remains decompose.
c. Not all species have hard parts like bones or
teeth.
d. Most fossils are buried too deep for us to
find.
e. More than one of these is correct
E
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When oxygen is unavailable during heavy exercise what process do muscle cells use for energy generation?
A. Glycolysis coupled with alcohol fermentation B. Anaerobic respiration C. Aerobic respiration D. Glycolysis coupled with lactate fermentation
The exoskeleton of insects is composed mainly of what material?
A. chitin B. calcium carbonate C. hydroxyapatite D. collagen E. waxes
During which phase of meiosis will the homologous chromosomes pair up?
A. anaphase I B. prophase II C. telophase II D. metaphase I E. prophase I
The process that converts the information in DNA into RNA is:
A) meiosis. B) translation. C) replication. D) transcription. E) duplication.