Question

multiple choice question the vacuole helps regulate osmotic pressure in protozoa that live in a hypotonic environment ribosome peroxide lysosomal contractile

Explanation:

Contractile vacuoles in protozoa living in hypotonic environments collect and expel excess water to regulate osmotic pressure. Lysosomes are for digestion, peroxisomes deal with oxidative reactions, and ribosomes are for protein - synthesis.

Answer:

A. contractile