Arthropods are the largest phylum of invertebrates, and invertebrates have no backbone. Given these facts, what don't arthropods have among the following options: - barnacles - backbone - Weight - exoskeleton - rights - meaning - Energy - Energy.
backbone

An animal usually requires a warm body temperature for survival, and temperature Temperature is an measurement of the amount of heat. Given these facts, what do most animals need to be sure they survive on the Earth among the following options: - smell and taste - biodiversity - a building to live in - regulated body heat - a mate - sense organs - food and shelter - a car
regulated body heat

Grasses supply most of the food consumed by people worldwide, and grasses are wheat and wild oats. Given these facts, what supplies food consumed by people among the following options: - air - animals - bacteria - wheat - dust - camels - bamboo - trees
wheat