Answer:
Different species within a phylum all have the same basic characters, anatomical and functional integrity, common ancestry.
Explanation:
The animals having same phylum but different species have similar basic structural pattern. That means the anatomical features are constructed on the same ground plan. This individuals have similar functional integration. All animals of a phylum work as a functional machines with similar functional integration.
Another important feature is they have common ancestry. Evolutionary study have confirmed all members of a similar phylum have been derived directly or indirectly from a common primitive ancestry.
Answer:
the answer is B, I believe
The answer to this question is:
a.
Phosphorus
This is one of the topmost elements needed by living
organisms. It is not a pure element but reactive to anything in contact. When
combined with some other elements it serves as necessity of life. It is present
in plants or animals in less than 1%.