Homologous structures are common structures in different species that perform different functions and may have look similar in structure.
Example- The different animals have bones that appear very similar in form and function and seem to be related.
Answer: a). growth
Sleep is a necessary biological activity shown by most of the living creatures. It is the primary activity of the brain. During sleep the blood supply to the muscles increases, the energy of the body gets restored, repair and tissue and growth takes place. Important hormones are released for the process of growth and development.
Therefore, sleep is necessary for growth is a correct option.
Answer: Scientists who study evolution may want to know whether two present-day species are closely related. Evidence for evolution can be structural, genetic, or bio geographical. Fossil skeletons of horse relatives dating from various time periods. ... of fossils and living species may tell us how modern organisms evolved. so D
Explanation:
I think the roots are the most important part of a plant because without the roots the stem and leaves would have no job
Cytoplasm is a jelly like substance that gives the cell its shape. All the organelles of a cell are located inside the cytoplasm
