WorksheetsEvolution & Natural Selection
Total questions: 12
Worksheet time: 8mins
What is Evolution?
the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits
the genetic change in the characteristics of a species over many generations, resulting in the formation of new species
the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations
What isn't evolution?
Who wrote 'On the Origin of Species'?
Charles Darwin
David Attenborough
Isaac Newton
Ms. Sandow
What is 'Common Decent'?
an effect of speciation, in which multiple species derive from a single ancestral population.
the idea that although we aren't related, we all have things in common.
Natural selection is the process by which random evolutionary changes are selected for by nature in a consistent, orderly, non- (a) way
Artificial selection is different to natural selection because...
It produces things that aren't alive
Animals that aren't meant to reproduce do it spontaneously in nature
Humans are interfering with the selection process
Which of the following is NOT artificial selection:
Orange carrots
Pugs
Polar Bears
Dairy cows
What is the Geological Time Scale?
The Fossil Record
The Sea Life Record
How we value rocks
A replacement fossil forms when...
the dead body partially decays and leaves a black deposit
part of the organism is preserved with its original chemical composition
a part of the organism is chemically changed or replaced into another mineral
The structure is the same but the function is different...
Homologous Structures
Analogous Structures
Share the same function but the structure is different...
Homologous Structures
Analogous Structures
Vestigial structures are....
structures in an organism that has lost most or all of its function.
structures that share same function but the structure is different
structures that share same but the function are different
Continents on Earth were once all connected
TRUE
FALSE
