Index fossils (also known as guide
fossils, indicator fossils or zone
fossils) are fossils used to define
and identify geologic periods (or
faunal stages).
Ventral.
Because anterior and ventral are both words for the front of the body while posterior and dorsal are the back.
I do believe. Hope this helps :)
Answer:
the baby is a male
Explanation:
if it were a female the it would be xx
B. the recessive allele is masked in heterozygotes
Minerals can have similar components. When checking, testing all possible ways ensures that you will know exactly what type of mineral it is.