Which of the following statements about the graph is true?
A. Humans have low mortality rates early in life.
B. Hydra and humans have parallel life spans.
C. Oysters have high mortality rates late in life.
D. Humans and oysters have similar life spans.
E. Oysters live longer than Hydra.
Answer: A
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The developmental origin of the cerebellum is the:
A. forebrain. B. midbrain. C. hindbrain. D. brain stem.
Which notation represents a dihybrid cross?
a. RrMM ´ Rrmm b. RRMM ´ rrmm c. RrMm ´ RrMm d. rrMM ´ RRmm e. RrMm ´ rrmm
There is some evidence that reptiles called cynodonts may have had whisker-like hairs around their mouths. If true, then hair is a shared _____
A) derived character of mammals, even if cynodonts continue to be classified as reptiles B) derived character of the amniote clade and not of the mammal clade C) ancestral character of the amniote clade, but only if cynodonts are reclassified as mammals D) derived character of mammals, but only if cynodonts are reclassified as mammals
Lard is a solid fat at room temperature. What does this tell you about the triglycerides in lard?
A) Lard is composed of saturated fats. B) The fats in lard are mostly phospholipids. C) The fats in lard are not organic molecules. D) Lard is composed of unsaturated fats.