Answer:
c
Explanation:
The mouth doesn't produce sperms.
Answer:
Cells connect together to form a battery
Explanation
Charles Darwin noticed that among the same species there were variations in traits based upon geographical location. These changes may have evolved from climate differences, predator/prey relationships and food sources. This particular experiment was intended to duplicate natural selection by demonstrating the concepts with artificial selection. The result was that over time, new traits could be bred for. Although there may be more than one correct answer here, the best answer is the first; desirable traits can be selected and bred in offspring.
Answer:
increasing birth rate with a greater number of young organisms
Answer:
fatality rate that is 23 times as high than for all regular workers
