What do the arrows in food chain mean?

In a food chain, arrows indicate the direction of energy flow between organisms.

Here is a table that explains the arrows in a food chain:

Arrow Symbol | Meaning

--- | ---

→ | Energy flow

⤇ | Energy exchange

↗ | Mutualistic relationship

↓ | Detritivore relationship

↔ | Competition

× | Predator-prey relationship