To feed nutrianse to the baby. whe the mother eats that goes to the umbilical cord and gives it nutriance
The answer is …tympanic
membrane; oval window. The ossicles are
comprised o three bones; malleus, incus,
and stapes. They amplify the vibration from the eardrum and transmit it to the inner year. The three bines
are joined to each other by synovial joints. They comprise the middle ear.
Answer:
Water acts a carrier of food and oxygen to their body and it also carries out waste material and carbon dioxide from the body. In simple multicellular organisms like Hydra, the transportation of material from cell to cell takes place through simple diffusion.
Answer:
polar bears and sea otters