What must be true about the population in order for evolution by natural selection to take place? (1 point) O The population must have a large number of individuals that can reproduce and produce fertile offspring.
O The population must have well camouflaged individuals to avoid being eaten by predators.
O The population must have strong individuals capable of fighting off other populations when threatened
O The population must have genetic variation that leads to differential survival and repisoduction.

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Did you know that a blue wales tongue weighs more than an elephant?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla