The diagrams below are illustrations of organisms in a habitat. Study them and answer the question, the producer in the diagram is

Which of the following soil types have a high capillarity?

The diagram above is an illustration of a structure in the skeletal system of humans. Study it and answer the question
the illustrated structure is a part of the 

The diagram below is an illustration of a structure in the skeletal system of humans. Study it and answer the question
An individual was involved in a car accident and the illustrated structure was badly injured. Which of the following structures would most likely be affected?

Study the list of organisms below and use them to answer the questions.
I-Hydra
II-Owl
III-Snake
IV-Snail
The arrangement of the organisms in order of increasing complexity is