During which process does an arthropod strip off its outer cuticle?
a. egestion
b. molting
c. ecdysis
d. exodysis
c. ecdysis
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Suppose that you have a population of guinea pigs in
which two-thirds of the alleles for coat color specify black, and one-third specify white. According to the Hardy-Weinberg rule, what will be the ratio of these alleles in the gene pool in future generations, provided all the guinea pigs reproduce? a. 1:1 b. 2:1 c. 3:1 d. 6:1 e. 7:1
In Arabidopsis thaliana, a model organism in plant genetics, there are three classes of genes that control the development of floral structures: A, B, and C. Mutations of these genes cause organs to form in inappropriate places
What category of genes are they?
Sea anemones, unlike scyphozoans, have a partitioned gastrovascular cavity. This serves as a meansof:A
harboring enteric bacteria. B. digesting very large food items. C. harboring photosynthetic zooxanthellae. D. digesting different categories of organic molecules in different areas. E. decreasing the surface area of the gastrovascular cavity
Which of the following cavities is NOT associated with the urinary bladder?
A) Pelvic cavity B) Ventral body cavity C) Abdominopelvic cavity D) Abdominal cavity