C.
The soil in the delta is less fertile, causing fewer plants to grow.
The flooding of the Nile caused silt and nutrients to replenished in the soil every year.
Answer:
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population.
Explanation:
Answer:
The average lifespan of a cat is 15 years
Explanation:
Answer:
lift vs weight and thrust vs drag
The answer is <span>25% red : 50% pink : 25% white
</span>
A - allele for red flowers
a - allele for white flowers
AA - flowers with red flowers
Aa - flowers with pink flowers
aa - flowers with white flowers
The cross looks like:
Parents: Aa x Aa
Offspring: AA Aa Aa aa
Red flowers (AA): 1/4 = 0.25 = 25%
Pink flowers (Aa): 2/4 = 0.50 = 50%
White flowers (a): 1/4 = 0.25 = 25%
