Answer:
The statement is true
Explanation:
Hematopoietic stem cells give rise to myeloid progenitor and lymphoid progenitor and these two progenitors give rise to many immune cells. Dendritic cells are produced by both the progenitors and macrophages are produced by myeloid progenitor.
Both macrophages and dendritic cells are phagocytes. In phagocytosis, the foreing particles are injected by these phagocytes and they are destryoyed by the action of digestive enzymes present in these phagocytic cells.
Macrophages are present in tissue and if they are present in blood they are called monocytes. Therefore the statement is true.
C is correct. the rest is either about food webs or about both food webs and food chains.
Answer:
Why don't you just look it up on google they have really good poems and you can change the words around so it's not plagiarism
Explanation:
Answer:
Sediment, Transport and Deposition
Explanation:
The sediment is often formed when weathering and erosion break down a rock into loose material in a source area.
Answer:
Mitosis Shape Change and stuff
Explanation:
