After the pairs of chromosomes are aligned, anaphase I begins. During this stage, the microtubules, or spindle fibers, pull the homologous chromosomes apart and move them to opposite ends of the cell.
Its called Anaphase when Chromosomes pull apart
Answer:
An index fossil is also known as guide fossils or indicator fossil. They are fossils used to determine and identify geologic periods.
The main characteristics of an index fossil include :
1.It must be distinctive.
2.It must be widespread.
3. It must be abundant
4. It must be limited in geologic time.
Due to trends and studies of most fossil-bearing rocks being formed in the ocean, the major index fossils are mostly marine animal or plant organisms.
Autotroph..make their own energy. ..heterotroph get energy from other organisms
The answer to this question is the STATINS. Statins is a
drug or medicine that reduce the fat in the body like cholesterol and the
likes. Statins is also known as HMG-CoA reductase inhibitors that can treat cardio
vascular diseases. Known example of statins are fluvastatin, lovastatin, and
simvastatin.