conjugation because everything else is asexual forms of reproduction.
Coral reefs are the world's most diverse ecosystems. imagine how many species of creatures will go extinct due to human fault.
They are among the only types of organisms that get their energy from a non-living thing, and they give energy to Primary consumers, which give energy to secondary consumers, which give energy to tertiary consumers, which can give energy to decomposers, etc.
The sun gives direct energy and sunlight to the producer. The producer will grow until it reaches adulthood. A consumer will come eat from that said producer and receive its energy.
