After the macrophage fails the Helper T Cell stimulates the B cells if pathogen is extracellular and Cytotoxic T Cells if the pathogen is intracellular. Once the pathogen is killed the B Cells create Memory B Cells and the Killer T Cells create memory T Cells.
Water? That’s my guess I mean it kinda makes sense Imao
All the branches of science that deal with the scientific study of living organism are called life sciences. e.g; botany,zoology,anatomy,biochemistry,embryology etc..
The answer is C I don’t think this needs more explanation but if needed just ask!
Answer:
Lichen colonization of a rock field exposed by a retreating glacier(Primary Succession)
Explanation:
some examples of secondary succession:-Fire, hurricane, tornado
,Human disturbances: logging, mining, farming
- Changes that occur in an existing area
- Soil was already present
- -Rapid growth
