1) Aphids are small insects that feed off of the sugars produced by plants. They get nutrients and sugars from the fluid, but much of it passes through their system without being digested. This excess food gets excreted as a sugary substance. Certain ants have taken advantage of this, by carrying the aphids to new plants where they come in contact with new sources of food. The ants, in turn, use the sugary aphid excretion as food. This relationship between the ants and aphids could best be described as… symbiotic relationship:
explain why

Fossil found in strata reveal that unused body part decrease in size

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.

Amutation is basically the change in the gene, caused by alteration of single based units in the dna, or the genes or chromosomes were rearranged in the dna