Answer:
Homologous structures provide evidence for common ancestry analogous structures show that similar selective pressures can produce similar adaptations beneficial features Similarities and differences among biological molecules in the DNA sequence of genes can be used to determine species relatedness
Answer:
Lipids.
Explanation:
Lipids are macromolecules that are found mostly in the cytoplasm of the cells. Adipocytes cells, a form of connective tissue store lipids as droplets and filled the cytoplasm of cells.
Answer:
in the first question
the air move from higher concentration to lower concentration and lower to higher
Explanation:
when the oxygen gets in the place in the chest increase and when we release the air the will be contracted
when the air is outside chest will have no air
outside air will get into chest
and in verse vice
