Phylogenetic Tree of Animals:
The most ancient branch point in animal phylogeny is that between having
A) radial o bilateral symmetry
B) a well-defined head or no head
C) diploblastic or triploblastic embryos
D) true tissues or no tissues
E) a body cavity or no body cavity
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Overview of Animals concept. You can view video lessons to learn Overview of Animals. Or if you need more Overview of Animals practice, you can also practice Overview of Animals practice problems.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Guerra's class at RUTGERS.