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WorksheetsBio 9 - Evolution by Natural Selection
Total questions: 12
Worksheet time: 12mins
Evolution is the cumulative change in the (a) characteristics of a population
The population, not the individual, evolves
True
False
Which terms describes the different traits in a population?
Diversity
Differences
Mutation
Variation
In the environment there is/are...
a struggle for survival
many resources
little competion
human intervention
(click all that apply) A population consists of:
members of the same species
all the individuals of different species in a place
interbreeding individuals
all the individual members of a species around the world
When producing offspring, a population makes:
Too many
Too few
Just enough
In a population there is variation. This means that individuals with...
advantageous traits survive
disadvantageous traits survive
luck survive
Individuals in a population who survive the selective pressures will
reproduce
migrate
evolve
mutate
After a reproduction in a population there will be a(n)
increased frequency of advantageous traits
increased frequency of disadvantageous traits
decreased frequency of advantageous traits
random frequency of all traits
After forests in England became polluted and sooty, the population of peppered moths showed
An increase in white variants
An increase in dark variants
No change
___ ____ is the process by which evolution occurs
(a)
For evolution to occur which of the following is necessary?
Variantion in the population
Reproduction
A stable environment
"Survival of the fittest"
