A group is considered polyphyletic if the group does not contain the most recent common ancestor. it is the most parsimonious grouping. all members share homoplastic traits. all members of the group share a common ancestor. not all descendants of the common ancestor are included.

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.

she will be charged $6

step-by-step explanation:

48 dollars divided by 200 beads equals .24 dollars a bead

.24 multiplied by 25 more beads equals 6 dollars as the total cost

i guess because there isn't enough love going around. < 3