It is living. A lichen is made up of a fungus and algae. Both of those are living organisms, so a lichen is living.
Answer:
Process by which plants and some organisms use light energy to convert water and carbon dioxide into oxygen and sugar.
Explanation:
2 and 6 is 1/6
2s on 2 dies is 2/12 (do not simplify)
Earthworms, frog and squid have different respiratory systems in that such evolutionary features are in accord with their thriving environment. They differ basically in the adaptive makeup of these morphological features. For instance, frogs have lungs, squid have siphons and earthworms through their skin.