I don't know what the expieraments about but I can say its rather B or C the independent variable is the variable that you are testing.
Answer:
D
Explanation:
when the temperature got colder then there where changed in the plant
The combination of genetic material from two different individuals/parents the offspring gets half the traits from the mother and the other half from the father hope this helps
Answer:
D. reproduction
Explanation:
If the species doesn't reproduce they die out or become extinct.