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.
<span>Glossopteris
is an ancient and extinct species of seed ferns known as Glossopteridales. They
came from the Greek word glossa, which means “tongue,” because its leaves were
tongue-shaped. It is actually the largest and best-known genus of seed ferns that
rose in the Southern Hemisphere during the beginning of the Permian Period
(298.9 million years ago).</span>
Answer:
Helium
Explanation:
Helium is extracted in a few places in the world, namely USA, Algeria, Russia and Qatar. Helium is abundant in space, where it's produced as a product of the fusion reaction inside stars such as the sun.
