What distinguishes a coelomate animal from a pseudocoelomate animal is that coelomates
A) have a body cavity, whereas pseudocoelomates have a solid body.
B) contain tissues derived from mesoderm, whereas pseudocoelomates have no such tissue.
C) have a body cavity completely lined by mesodermal tissue, whereas pseudocoelomates do not.
D) have a complete digestive system with mouth and anus, whereas pseudocoelomates have a digestive tract with only one opening.
E) have a gut that lacks suspension within the body cavity, whereas pseudocoelomates have mesenteries that hold the digestive system in place.
Structure of a typical animal cell
Animal Cell
The principle of faunal succession uses animal fossils to tell relative time.
Consumption of animal products "استهلاك المنتجات الحيوانية"
Where’s the Saturated Fat in Your Foods? Saturated fat is found in animal products, tropical oils
Major Animal Phyla