Answer:
Dolphins, Tuna, and Jellyfish are known as the secondary consumers of sea life and prey on the primary consumers for a food source.
Explanation:
Primary consumers such as Sea turtles, Manatees, and Zoo Plankton rely on the producers seaweed, plankton, and diatoms for food source. They are also known as the oceans herbivores.
Traits that reflect specific evolutionary lineages and can be informative of evolutionary relationship.
When the muscle shortens/contracts, the two bones become closer together.