Answer: A change in the sequence of amino acids determined by the gene
Answer:
"Creating more paved surfaces"
Option C will be the answer
The evidence supporting the idea that modern birds and reptiles share a common ancestor is that feathers are a derived characteristic that first evolved in reptiles. Feathers represent an evolutionary derived trait.
In evolutionary biology, an autapomorphy is a distinctive phenotypic trait referred to as a derived trait, which is unique to a particular group/taxon.
The derived traits are phenotypic features that arise during the evolution of a particular taxonomic group.
These traits (derived traits) differ from the phenotypic trait of the ancestor of the group.
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All of the above options are correct because all the given three options are possible
Answer:
a. deterioration of neurons that produce the neurotransmitter acetylcholine.
Explanation:
Alzheimer's disease -
It is a disease associated with memory , it is a type of dementia .
The initial stages of the disease is the remember new things , the day to day task becomes very difficult with time .
During this disease the neurons get deteriorated day by day , which are responsible to produce the acetylcholine .
Hence , the correct statement about Alzheimer's disease is ( a ) .
