The answer is B. Natural Selection
The hereditary information of a species is called the reproduction
Answer:
Option A
Explanation:
Thorium-230 decays to Radium-226 also emitting an 
particle.
<u><em>The reaction is as follows:</em></u>
=> 
(Alpha-particle)
Hi I have no clue why am so glad that it I did you know you did it because
The definition 'All the organisms and their physical and chemical environment within a specific area' best describes the ecosystems.
<h3>What are ecosystems?</h3>
Ecosystems can be defined as particular geographic areas that exhibit certain abiotic factors which interact with a community (i.e., a group of populations) to shape the environment.
In conclusion, the definition 'All the organisms and their physical and chemical environment within a specific area' best describes the ecosystems.
Learn more about ecosystems here:
brainly.com/question/842527
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