Multiple choice

Multicellular animals which show active movements through their environments are characterised by the presence of ____________.

  1. radial symmetry

  2. bilateral symmetry

  3. true body cavities

  4. biradial symmetry

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Multicellular animals which show active movements through their environments are characterised by the presence of bilateral symmetry.