A spore can be detected with high level of certainty based on which component?
a. DNA
b. lipids
c. peptidoglycan
d. calcium dipicolinic acid
Answer: d. calcium dipicolinic acid
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Why has Atlantic cod evolved to mature at a younger age and smaller size?
a. DNA damage from radiation released accidentally from nuclear power plants b. unknown causes c. food competition from other predatory fish d. intraspecies competition e. overexploitation by fishing
The human ____________ consists of 33 vertebrae that are cushioned with cartilage disks and provide support and protection to the spinal cord.
A. pectoral gridle B. pelvic girdle C. scapula plate D. rib cage E. vertebral column
When a volume of air expands against the environment and no heat enters or leaves, the air temperature will
What will be an ideal response?
A Type I survivorship curve is associated with which of the following life history traits?
A) parents providing extended care for their young B) large numbers of offspring being produced C) infant mortality being much greater than adult mortality D) a short life span for most individuals