A sample is a random, unbiased selection out of a larger group. An independent variable is one that is changed as to see how it will affect the dependent variable in an experiment.
Hope that helped.
Answer:
The answer that would NOT be correct is the last one , (Ecosystems that have more energy at higher trophic levels than at lower trophic levels. )
Answer:
you would have 100% RY grasshoppers. All their offspring would have red and yellow stripes
Explanation:
Using a punnet square
Y Y
R RY RY
R RY RY
it would look like this
( sorry for the horrible punnet square)
Answer:
chromosomes
Explanation:
chromosomes which consist of genes which consist of DNA can pass on traits from parent to child.
it basically works by depending on the gender of the child it can inherit certain traits from its parents
so say the hemophilia is an XX being from the mom and to get the mutation you would need the X that has the mutation and either an X or Y from the dad.
I dont know if hemophilia affects X or Y but that is how the mutation would be passed on.