WorksheetsNOVA Evolution Mission 3
Total questions: 7
Worksheet time: 4mins
For a mutation to affect evolution, it must
Provide a benefit to the organism
Involve more than one chromosome
Be able to get passed from parent or offspring
Be neutral – neither help nor harm the organism
What is evolution?
An increase in complexity over time
Any change to the genetic composition of a population
the tendency of species to improve over time
All of the above
When comparing the DNA of 2 closely related, you would expect their DNA to be _________________ the DNA of 2 distantly related organisms.
more similar
less similar
the same as
When looking at a segment of DNA from a shark, cichlid, lungfish coelacanth and frog, which is coelacanth most closely related?
cichlid and shark equally
frog
lungfish
frog and lungfish equally
A. vinosum is most closely related to which organisms?
M. acetivorans and P. aerophilium
S. solfatarucus and T. thermophilus
D. radiodurans and T. thermophilus
D. radiodurans and P. aerophilium
___ is the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.
transfiguration
mutation
extinction
adaptation
For the tree in this image, which order of organisms could the data fit?
1. Mida cichild; 2. W. Omdoam cpelacamth; 3. Western clawed frog
1.W. Omdoam cpelacamth; 2. Mida cichild; 3. Western clawed frog
1. Western clawed frog; 2. W. Omdoam cpelacamth; 3. Mida cichild
