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WorksheetsBiology End of Course
Total questions: 80
Worksheet time: 1hrs 26mins
A relationship in which two species live closely together.
resource
mutualism
succession
symbiosis
What is true about enzymes?
they are used up in a reaction
they increase activation energy
they function best under specific temperatures and conditions
they can react with any type of cell
When members of a herd move and breed with another herd the result most likely will be:
gene flow
alleles will suddenly change
genotypes will remain constant
natural selection will stop
ATG TGA CAG
GTAGTCA
When crossing 2 parents who are both heterozygous for 2 traits in a dihybrid cross, the resulting ratio will always be....?
1:1:1:1
12:0:0:4
16:0:0:0
9:3:3:1
An arctic fox has white fur in January and dark fur in July. What causes the change in fur color?
The alleles for fur color change with age.
Gene expression for fur color is regulated by latitude.
The arctic fox has two traits for fur color that are determined at birth.
Gene expression for fur color is regulated by temperature.
