Answer:
due to ageing the physical senses and properties like eye's power become weak and slowly it starts to work weak in old people.
The 3 letter sequence of DNA or messenger RNA code that stands for one amino acid in a protein is called Codon
Invasive species can either replace an organism from the ecosystem food web or replace it.
Explanation:
- Invasive species are non-native species which can be animals, plants, micro-organisms, fish, etc. they are very much threatening to the native species and ecosystem food web.
- Invasive species are spread by humans mostly, it happens unintentionally when people travel and all. Even climate change could be a reason for its spread.
- So, it becomes threatening to native species because when you introduce it into a new ecosystem, it does not have a predator or control. It grows aggressively and takes over the resources for the native species.
I believe it is Nerve Cells
Correct me if I'm wrong.
