Question

Which of the following statements are true about sponges?

Select all that apply

They are found in both marine and freshwater environments.

They are sessile.

They have a symmetrical body plan.

They have only one germ layer.

Answer 1

Correct choices:
- They are found in both marine and freshwater environments. (True)
- They are sessile. (True)

Incorrect:
- They have a symmetrical body plan. (False — most sponges are asymmetrical or irregular; some show radial tendencies but they lack a definite symmetry.)
- They have only one germ layer. (False — sponges lack true germ layers/tissues entirely.)