Where they have there effect on the tissues cells
It's an sight observation you're using your eyes to see it it's one of your 5th sences
1.Biological species concept
2.Cladistic species concept
3.Cohesion species concept
4.Competition species concept
5.Ecological species concept
6.Evolutionary species concept
7.Isolation species concept
8.Phenetic species concept
9.Phylogenetic species concept
10.Recognition species concept
11.Typological species concept
For descriptions just look them up :)
Answer:
im pretty sure its a petri dish
Explanation: