Consider the phylogeny below, which traces the history of sexual dimorphism in a hypothetical group of fish, with black lineages being dimorphic (different male and female forms) and white lineages being monomorphic. colored fins have arisen four times in the group, as marked by black bars. what does this pattern suggest about firn coloration and dimorphism? a. colorful fins are just as likely to arise in monomorphic lineages as in dimorphic lineages. b. the evolution of colorful fins is concentrated in dimorphic lineages. c. changes in coloration are randomly distributed across the tree. d. the combination of colorful fins and dimorphism leads to speciation e. colorful fins and sexual dimorphism are probably evolving independently.

I’m not sure but you can ask someone i know

Schools are being forced to embrace computers. unlike their "digital immigrant" teachers, these students are "digital natives", born into a world where technology is an integral part of everyday life. almost every student has access to a multitude of computers, laptops and tablet devices. it would be crazy to assume an assignment would  notbe written on computer in this day and age.many schools now have a 1-to-1 computer policy, and many districts and states in the united states have mandated computers or ipads across the state for every student,  including los angeles, the second largest school district in the country.but the thing is, when they tried it in la, it wasn't the success they hoped for. that's because the tablets weren't used as much as they expected. rather, it appeared there was a gap between the digital native's love of technology and their use of it in the classroom.this conflicted relationship with computers is also underscored by much of the literature on education. it is also highlighted in professional development and conferences such as  edutech.

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