There are two grasses that grow on the western side of the Antarctic Peninsula. Otherwise, there are no plants on the continent: it's too cold.
There are no Antarctic puffins -- puffins live in the Arctic.
There are no plants or animals that live in Antarctica, except for a few hardy grasses, which can grow in the warmer summer months, especially on the Antarctic peninsula. For animals that live in the Antarctic regions, see the related question. Note that no animals live on the Antarctic continent.
Yes, plants live in all but the most exteme of deserts such as the Antarctic where few plants live and are rare in the Atacama Desert.
their body type is suitable for such cold weather
An iceberg is frozen water. It is not a place where anything grows.
There are no plants or animals that live in Antarctica, except for a few hardy grasses, which can grow in the warmer summer months, especially on the Antarctic peninsula. For animals that live in the Antarctic regions, see the related question. Note that no animals live on the Antarctic continent.
penguins are birds that live in the antarctic
They don't live there. They live in Arctic regions, not Antarctic.
most dophins have their own type of water they need to live in! Like how Dusky Dolphins live in antarctic waters so it just depends on the type of dophin!
They live in Arctic regions, not Antarctic.
Antarctic pearlwort and Antarctic hair grass
Yes, Starfish do live in the Antarctic. They live anywhere that there is not fresh water.