In the Scientific name, first word represents "Genus" and as they are same it indicates that their Genus are same
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Definite article is used before a noun (person place or thing) to indicate that the identity of the noun is known to the reader.
indefinite article is used before a noun that is general or when its identity is not known.
An ectotherm gets its heat from external sources
(Remember "ecto" means outer, "endo" means inner)
These are some ways how scientists and engineers develop, use and refine models.
1. Imagine. They have to know what exactly trying to model. They have to imagine and brainstorm what are the things to be considered.
2. Reason. Next, they need to answer the questions brought from their brainstorming. They need to be able to reason out.
3. Calculate and Predict. Once they know it, that's the time they can start modelling and calculate - and predict.
Low air pressure is usually associated with D. Cloudy, wet weather.