Which statements correctly characterize Plankton?
- Plankton possess strong swimming abilities to counteract water currents.
- This group includes both microscopic plants (phytoplankton) and animals (zooplankton).
- Their distribution is primarily determined by the water currents due to limited locomotive power.
- Plankton are only found in calm freshwater ecosystems.
A1, 4
B2, 3
C3 only
D3, 4
