Heterozygous-f
Probability- d
Trait-b
Dominant-a
Recessive-e
Heredity-c
A shell is considered as biotic (living) because it is a hard, rigid covering of many animals such as snail, sepia, pila, turtles, sea urchins. A shell is protective outer layer of these soft bodied animals.
Answer:
The waves erode seashells and rocks on the shore into small granuels called sand.
Explanation: