PLEASE HURRY. When scientists make a model to study a system, such as a coral reef or the human body, which of these should they be sure to include? a
include only inputs
b
include no set boundaries
c
include a limited number of parts
d
include both biotic and abiotic influences

d ) include both biotic and abiotic influences

d

include both biotic and abiotic influences

Explanation:

Because they both are biotic and abiotic influences (also i found this info in my text-book) :))

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

golgi body just took the test on edge