A: black spots are dominant
B: ss
C: both parents must be heterozygous to produce an offspring that expresses the recessive trait.
D: SS, Ss, and ss
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Answer:
Species could go extinct when their environment changed if they could not adapt to the change.
Answer:
Process called magnetic separation
Explanation:
The magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using magnetic force.
This method is also used to separate the mixture of sand and iron fillings as iron is attracted by magnet.
The answer is: " a gradient " .
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Hope this helps!
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