C.
Biotic mean alive, so we can cut off the first 2 easily. Aquatic birds eat frogs, so that one is safe for now. A decrease in something parasitic usually helps the population, so D is out too. The only one left is C.
The answer is relative dating.
Answer:
It need to reproduce
Explanation: it has one recessive allele so whether it reproduces with another heterozygous or h mzygous the offspring could end up with that recessive allele
if the question was a recessive phenotype they would need to find another heterozygous individual to put together the 2 recessive alleles to show the recessive trait
The answer is 1 in 11
- Ashley :)
