There are three things.... The margins of the drifting continents, the existence of matching rock types and formations and the presence of similar fossils on opposing edges!
Hope this helps ya out! :)
The cell is a plant cell as animal cells do not have chloroplasts
Answer:
Antigens are secreted by the endocrine system
Explanation:
The main job of the innate immune system is to fight harmful substances and germs that enter the body, for instance through the skin or digestive system. The adaptive (specific) immune system makes antibodies and uses them to specifically fight certain germs that the body has previously come into contact with
