Because they lack nucleus
Answer:
osculum.
Explanation:
The large central opening in the parazoan body is called the osculum. In short, the protozoan body usually has bag-like structures. The inner cavity is called the atrium. In the upper part of the atrium there is an opening, the osculum, which serves to eliminate water with substances unnecessary for protozoan nutrition and with debris resulting from cellular activity.
Answer:
1. GUG CAC CUG ACU
2. Val-his-leu-thr
Please talk to me if you don't understand! I can try to help you get this, because I understand it just looks like a bunch of random letters but I promise it's easy.
Answer:
The gravitational pull of the moon pulls the seas towards it, causing the ocean tides. Gravity creates stars and planets by pulling together the material from which they are made. Gravity not only pulls on mass but also on light.
Explanation:
