1. A living cells not a simple geometric shape, like a sphere or cube. What sort of weird cell shape might increase the ratio of surface area to volume? Would you be able to test this more complex shape in an experiment similar to this one? 2. What other modules could you make to represent a living so? What sort of question about a living cell could you investigate using your model?

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?