Generation time or doubling time
They are a species, the definition is:
A group of organisms that have similar characteristics and can interbreed to produce fertile offspring
They will become extinct over time. This is because they
will be unable to survive in the changed environment due to lack of desirable traits. This is especially true for a small population of
species that do not have a wide variation in their genotypes on which natural selection
could act upon.
Answer:
Effective food supply was most likely an effect on society that resulted from improvements in blood handling during World War I and World War II.
Explanation: