Asked by Brandon Bilbo on Apr 28, 2024
Verified
Unlike most other animals, sponges lack which of the following?
A) a digestive tract only
B) a symmetrical body plan only
C) tissues only
D) a digestive tract and a symmetrical body plan only
E) a digestive tract, a symmetrical body plan, and tissues
Digestive Tract
A complex series of organs and glands responsible for the digestion and absorption of nutrients, elimination of waste, and food transportation.
Symmetrical Body Plan
A layout of an organism's body parts in a balanced distribution around a central line or point, allowing for the division into mirror-like halves.
Tissues
Groups of cells in an organism that have similar structure and function.
- Comprehend the distinctive structural and operational features of sponges.
- Explain the importance of body plans and symmetry in animal classification.
Verified Answer
NL
Nguyen Le Hoang (K13_HN)May 02, 2024
Final Answer :
E
Explanation :
Sponges are unique among animals because they lack a digestive tract, a symmetrical body plan, and true tissues. These characteristics distinguish them from other animal groups.
Learning Objectives
- Comprehend the distinctive structural and operational features of sponges.
- Explain the importance of body plans and symmetry in animal classification.