Answer:
a, c, d
Explanation:
A dolphin's flipper, a bird's wing, a cat's leg, and a human arm are considered homologous structures, so other structures that are like these can be considered homologous.
Explanation:
Your urinary system filters your blood to get rid of what your body doesn't need. It eliminates extra water and salt, toxins, and other waste products.
Kinetic theory. because kinetic theory can compress due to outside gases and shrink for the same reason i believe
Answer: A.
Nucleated red blood cell is less mature than a mature erythrocyte. They
are erythroid precursors that have apoptotic nucleus, the last nucleated stage of
red blood cell production to contain a defined, intact nucleus before the
erythrocyte losses its nucleus.
Moreover, they are confined
to the bone marrow, in the peripheral blood in newborns and in uncompensated
hemolytic anemia.
Answer:
Amino acids are made from natural materials.
Explanation: