If breathing provides one substance transported by the blood, then what process provides one substance transported by the blood? Answer choices: - breathing - heat produced - drink - complex - osmosis - sweating - cell division - condensation
breathing

If female platypuses lack a uterus and vagina, then what females lack a uterus and vagina? Answer choices: - penis - acetic acid - dogs - platypus - ligt - graptolites - alpacas - humans
platypus

If arthropods have no backbone, then what don't arthropods have? Answer choices: - barnacles - backbone - Weight - exoskeleton - rights - meaning - Energy - Energy.
backbone