Question

pacific sardine: 1. phylum: 2. what does it eat? 3. what eats it? 4. one fun fact about this animal:

Explanation:

1. Pacific sardines belong to the phylum Chordata as they have a notochord, dorsal - nerve cord, pharyngeal slits, and a post - anal tail at some stage of their development.
2. They are filter - feeders and primarily eat phytoplankton and zooplankton.
3. Larger fish like salmon, tuna, and sharks, as well as seabirds and marine mammals such as seals and sea lions, prey on Pacific sardines.
4. A fun fact is that Pacific sardines can form large, dense schools that can be seen from the air, and these schools are important for protection against predators and for finding food.

Answer:

1. Chordata
2. Phytoplankton and zooplankton
3. Salmon, tuna, sharks, seabirds, seals, sea lions
4. They can form large, dense schools visible from the air for protection and food - finding.