HELP ASAP. Which examples are caused by variation?
(Select all that apply.)
O Some whales swim in groups for safety. This is an advantage.
□ Some anteaters have shorter tongues and cannot reach deep into ant nests. This is a disadvantage.
Some anteaters have longer tongues that can reach deeper into ant nests. This is an advantage.
O Some whales have only one offspring. This is a disadvantage.