Answer:
D. a mutation
Explanation:
This would be called a mutation because it stated above neither of it's parents have it so say for humans both parents have 2 arms which is normal. They have a child and he/she only has one arm thus mutation.
The control center and director of cell activities is the nucleus. The nucleus, which holds all of the DNA, is found at the center of the cell.
In the dihybrid cross, one of the parents had black fur and black eyes. The offspring will be heterozygous.
Answer:
I think its the third one.
Explanation:
The mitochondria produces energy and respiration takes place there,so it cant be that.
I hope this helps in any way.
Fungi join bacteria as the primary decomposers in different ecosystems. They feed on the organic remains of dead plants. They release special enzymes that break down lignin, a structurally complex substance in wood. Decomposing organic matter is considered by ecologists as the major ecological role of fungi.