The end of the Permian period was characterized above all by a mass extinction of:
a. shallow-water marine invertebrates
b. dinosaurs and other large reptiles
c. small mammals
d. large mammals
Answer: d. large mammals
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The coefficient of inbreeding (F) tells us what about an individual?
A. The probability that they are homozygous due to inheritance from a common ancestor B. Their genotype C. The probability of obtaining a certain allele from the gene pool
Unsaturated fats are considered healthier than saturated fats in the human diet
Indicate whether the statement is true or false.
Which plane divides the body into upper and lower portions?
a. sagittal b. frontal c. transverse d. midsagittal
________ bacterial strains require nutritional supplements to grow in a minimal medium
A) Autotrophic B) Prototrophic C) Phototrophic D) Heterotrophic E) Auxotrophic