Question

Which organisms are secondary consumers? Check all that apply.

kelp
kelp crab
sea otter
sea urchin
horn shark
elephant seal

Answer 1

Secondary consumers are organisms that primarily eat primary consumers (herbivores). Based on the list provided, the following organisms would be considered secondary consumers:

- **kelp crab** (eats primary producers like kelp and can also eat small animals)
- **sea otter** (eats sea urchins and other marine invertebrates)
- **horn shark** (eats smaller fish and invertebrates)
- **elephant seal** (primarily eats fish and squid and can be considered a secondary consumer)

The **sea urchin** is a primary consumer as it feeds mainly on plant matter, primarily kelp.

Therefore, the secondary consumers from your list are:
- kelp crab
- sea otter
- horn shark
- elephant seal