Answer:
Option A, most closely related to mammals
Explanation:
Insects like arthropods and molluscs have an open circulatory system and thus do have a distinguishable heart. Fish has two chambered heart. Reptiles have three chambered heart. Amphibians too have a three chambered heart.
All mammals and fish have four chambered heart. The right and left sides of the chambers have restricted entry and hence remain intact from each other
Hence, option A is correct
Answer:
3,2,1,4
Explanation:
as time goes on the water levels rise it expands the bay of the river
Answer:
Watery, sometimes foul-smelling diarrhea that may alternate with soft, greasy stools.
Fatigue or malaise.
Abdominal cramps and bloating.
Gas or flatulence.
Nausea.
Weight loss.
Explanation:
because the parasite is traveling through the intestine(which is a very important body part in you body)
nucleolus
they are made up of subunits and these subunits are made within the nucleus by the nucleolus. Then they are assembled in the matrix of the nucleus.
Answer:
Why wouldn't they. but why do u breathe out of your mouth
