It helps decompose dead waste such as animals and mice and birds and plants, it makes the earth cleaner.
Preserves animal tracks are called trace.
Answer:
1. Alzheimer's disease is when you begin to forget things and have memory loss.
2. It is inherited in an autosomal dominant pattern and if one of your parents has Alzheimer's you or your siblings could get it.
3. Single gene inheritance
Explanation:
Genetic engineering is applied to techniques like DNA cloning in which the steps are: step 1: DNA cutting from the parent source; step 2: DNA cut is pasted into the matrix to be modified; step 3: matrix is introduced to the host cell and step 4, vector DNA is isolated. Answer then is B.
Habitat loss..The most harmful threat to biodiversity is the D. Habitat loss.
It's not easy to live in a place that you no longer have any means of living. If ones organism loss his habitat, chances are they will extinct because of the absence of their basic needs.