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

If an animal usually requires a warm body heat measurement for survival?, then what do most animals need to be sure they survive on the Earth? Answer choices: - smell and taste - biodiversity - a building to live in - regulated body heat - a mate - sense organs - food and shelter - a car
regulated body heat

If wheat supplies food consumed by people, then what supplies food consumed by people? Answer choices: - air - animals - bacteria - wheat - dust - camels - bamboo - trees
wheat