Which of the following is a group of animals without true differentiated tissues?Question 3Select one:a.Metazoab.Parazoac.Animaliad.none of the above

To determine which of the options represents a group of animals without true differentiated tissues, let's analyze each option:

1. Metazoa: This term refers to a major group in the animal kingdom that includes all multicellular animals. Metazoans have differentiated tissues.

2. Parazoa: This group is known to include animals that lack true tissues, such as sponges. Parazoans are characterized by their simple body structure without organized tissues.

3. Animalia: This is the kingdom that encompasses all animals, which generally have differentiated tissues.

4. None of the above: This option suggests that none of the prior groups fits the description.

Conclusion:

The correct answer is b. Parazoa. Parazoans are the animals without true differentiated tissues. They represent a simple form of life in the animal kingdom, primarily epitomized by sponges.