Which structure is at work when the body deals with reflex actions? the heart the brain stem the vertebral column the spinal cord

Actual age your first developed of age well comparison age refers to absolute age true or false

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

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm