The Suite of Processes That Occur in Arctic Environments or Along

question 8

Multiple Choice

The suite of processes that occur in arctic environments or along the margins of ice sheets is termed

• A) periglacial processes.
• B) permafrost.
• C) ground ice.
• D) the active layer.
• E) the nonactive layer.

---

Definitions:

Neurogenesis

The process by which new neurons are formed in the brain.

Neural Pruning

The process by which extra neurons and synaptic connections are eliminated to increase the efficiency of neuronal transmissions.

Monozygotic Twins

Identical twins; these siblings result from one zygote splitting in two, so they share the same genes.

Genetically Identical

Describes organisms, such as twins or clones, that have exactly the same DNA sequence.