Name two marine solitary coelenterates.
Jelly fish and sea anemone.
What are corals?
Corals are marine coelenterates that live in colonies firmly attached to rocks.
Name the group of sessile animals
Porifera.
What are the three aspects of systematics?
Identification, nomenclature and classification.
Name the largest tree on the Earth.
Redwood (100 metres).
Name the largest animal on the planet.
Blue whale (30 metres).