How do lampreys differ from modern jawed fishes? What will be an ideal response?
Lampreys are very different from modern jawed fishes. They lack jaws, scales and paired fins. In
addition, their skeleton is made of cartilage. They are in many ways ‘living fossils’ of the ancient
jawless fishes.
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In biology lab, you are tasked with measuring the temperature of a small lizard, as it is moved from containers with different temperatures, light, and humidity. These elements require monitoring since lizards cannot self-generate heat. Therefore, lizards are an example of a(n)
A. mesophile. B. thermophile. C. ectotherm. D. amniote. E. endotherm.
What fraction of the time will the cross of Aa Bb with Aa Bb produce an offspring that will express the dominant trait
for both alleles? a. 16/16 b. 9/16 c. 6/16 d. 3/16 e. 1/16
An acute viral disease is the likely result of ________ infection.
A. a lytic B. a latent C. a persistent D. a lysogenic E. either latent or lysogenic
This diagram of a cellular structure shows
A. one crossed-over pair of chromosomes
B. two homologous chromosomes
C. one tetrad of chromatids
D. two sister chromatids