Autotrophs make their own food while heterotrophs do not; because of this, autotrophs may survive in certain situations in which heterotrophs would not.
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Phenotype
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Answer B. Believe it or not, sound travels faster through liquid than through air. That’s why sonar is so efficient.
Answer:
(D) is composed of widely dispersed populations.
Explanation:
A polytypic species is the one that is composed of various local populations. These local populations differ from each other with respect to one or more genetic traits. Each of the local populations that make a polytypic species exhibit genetic variations among its individuals.
For example, individuals from the local population of human exhibit variations for genetic traits such as skin color, hair color, etc.
