#Question id: 4599
#SCPH06 I Botany
Many crustaceans (for example, lobsters, shrimp, and crayfish) use their tails to swim, but crabs have reduced tails that curl under their shells and are not used in swimming. This is an example of ________.
#Question id: 4599
#SCPH28 | Zoology
Many crustaceans (for example, lobsters, shrimp, and crayfish) use their tails to swim, but crabs have reduced tails that curl under their shells and are not used in swimming. This is an example of ________.
#Question id: 4600
#SCPH06 I Botany
Scientific theories ________.
#Question id: 4600
#SCPH28 | Zoology
Scientific theories ________.
#Question id: 4601
#SCPH06 I Botany
DDT was once considered a "silver bullet" that would permanently eradicate insect pests. Instead, DDT is largely useless against many insects. Which of these would have prevented this evolution of DDT resistance in insect pests?
#Question id: 4601
#SCPH28 | Zoology
DDT was once considered a "silver bullet" that would permanently eradicate insect pests. Instead, DDT is largely useless against many insects. Which of these would have prevented this evolution of DDT resistance in insect pests?