The characteristics of the species being talked about here are:
1. Allopatric speciation
2. Behaviourally isolated
The given excerpt talks about a particular species of Salamander in California. It talks about how different parts of the species moved to the different parts of the world. It also tells us how mating was incompatible after this movement.
Allopatric speciation takes place when organisms of the same species are separated from each other or "isolated" geographically which often prevents them from breeding.
Therefore, The characteristics of the species being talked about here are:
- Allopatric speciation
- Behaviourally isolated
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(II) Spot the error in the following and rewrite the sentence correctly.` (i) Our primitive community,has dwelling at the foot of a mountain, has water.`
Explanation:
The correct statement can be written as follows;
Our primitive community , dwelling at the foot of a mountain , must have water
In the sentence, use of punctuation has been added.
Punctuation:
In grammar, it is important that the text has proper punctuation. Without it, sometimes the message might be interpreted in a different way. So to make the text sense simple and easy, we need proper punctuation
Non-fiction is the best suited
It means full course dinner