animal cells do not have cell wall because they have blood vessels which gives them shape and support . true or false

true

Explanation:

because they don't have blood vessels

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.