Ecology Slides There are 210 products.

4522d Wood destroyed by fungus

4523d Polyporus, wood rot fungus, fruiting body t.s.

4524d Root nodules of Alnus, with symbiotic bacteria

4525d Spruce beetle (Cryphalus picea), larva t.s.

4526c Wood with normal annual rings, t.s.

4527c Wood with anomalous narrow annual rings caused by drought, t.s.

4528d Bark with larval galleries of spruce beetle, t.s.

4529d Pineapple-like gall on spruce caused by lice, t.s.

4530d Gall nut on oak caused by insects, t.s.

4541d Intestinal bacteria (Escherichia coli) from putrid water

4542e Putrefactive bacteria (Spirillum) from sludge poor in oxygen

4543d Putrefactive bacteria (Sphaerotilus) bacteria, forming long chains with...