All of the following are characteristics of protostome devel

All of the following are characteristics of protostome development, EXCEPT: blastopore develops into the anus spiral cleavage three germ layers determinant development You are sampling pond water and come across a strange organism. Which of the following characteristics would best support them being an animal? They lack an endoskeleton or exoskeleton made of minerals or proteins. They are motile. They have three embryonic tissue layers and protostome development. They are heterotrophs.

Solution

Answer:

6). A. Blastopore develops into the anal opening

In deuterostomes, the first opening (the blastopore) becomes the aal opening, while in protostomes, it becomes the mouth.

7). B. They are motile

Aquatic animals are motile