Answer:
the respiratory and digestive systems work together to power the body.
Explanation:
a functioning respiratory system delivers oxygen to the blood. while the digestive system breaks down food and uses muscular contractions to move food through the digestive tract, it needs oxygen to function properly.
B). They both contain nitrogenous bases.
Answer:
Its the last answer
Explanation:
Prokaryotes are known to be unicellular(made of only one cell)
as well as protists but there are some multicellular protists in which is not clearly not conveyed in these statments.
Cut back on both air and water pollution so their habitat does not melt
