Answer:
common ancestor.
Explanation:
when two groups of organism are related it means they share a common ancestry but may be they are not a direct parent but can relate to there far back generation.
Evidence from fossil's records are used to study that today how much organisms have changed themselves according to the environmental changes on earth. DNA and genetic codes mainly shows the shared common ancestry.
Earths climate Is changing by global temperature rise, Warming oceans, shrinking Ice sheets, glacial retreat, decrease snow cover, sea level rise, declining Arctic sea ice, extreme events, and ocean acidification
Answer:
habitat
Explanation:
habitat is part of the ecosystem
niche describes ahow different organisms are linked
Answer:
These spheres are closely connected. For example, many birds (biosphere) fly through the air (atmosphere), while water (hydrosphere) often flows through the soil (lithosphere). In fact, the spheres are so closely connected that a change in one sphere often results in a change in one or more of the other spheres.
Explanation:
i hope this helped
a chemical element or substance required in trace amounts for the normal growth and development of living organisms.