你可能感兴趣的试题
species people inhabitants set
Protection Prevention Prediction Promotion
families. individuals. communities. all of the above.
intelligent rough robust revivable
Authenticity Availability Confidentiality Integrity
if;when if; as long as whether; as long as whether; since
they have different success generation by generation they are ill-adapted and eventually die out they have different genetic inheritances they want to survive and reproduce successfully
why natural selection leads to population increase over generations how natural selection maintains and changes the makeup of a population why natural selection created the large brain size in human beings how natural selection promotes individuals who care for their offspring
profit anniversary sympathy potential
accelerate improve perform develop
basis foundation very way
Natural selection favors adoptions that help a species to survive. Natural selection works against extreme changes in a species. Natural selection allows helpful new traits to spread through a population. Natural selection occurs in periods of severe environmental disturbances.
the ancestors of horses and zebras were once members of the same species the greatest biological change occurs in stable environments individuals mutate when they need to adapt to a new environment we can control population size by adapting new traits
in the long term on the other hand in the meanwhile as a result
if;when if; as long as whether; as long as whether; since
intelligent rough robust revivable
湘公网安备 43130202000226号