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AP Bio Crosswork

Across
Membrane enclosed droplets
Small, circular pieces of self-replicating DNA
Proposes that mitochondria and plastids(chloroplasts) were formerly small prokaryotes that began living within larger cells
Archaea that live in extreme environments
Asexual process through which prokaryotes reproduce
The movement of Earth’s continents on great plates that float on hot, underlying mantle
Evolved about 1..2 billion years ago
Occurs when gens are transferred directly from one prokaryote to another when they are temporarily joined by a mating bridge
Study fossil records
An evolutionary change in the rate or timing of developmental events
Uses the order of rock strata to determine the relative age of fossils
Master regulatory genes that determine the location and organization of body parts
Down
Process by which a bacteriophage transfers genes between one prokaryote to another
Proposed that species descend from a common ancestor and gradually diverge more and more in morphology as they acquire unique adaptations
When a prokaryote takes up DNA from its environment
A small part of a population forms a new species without being geographically separated from the parent species
Term used to describe periods of apparent status punctuated by sudden change observed in the fossil record
A field of study in which evolutionary biology and developmental biology converge