« previous next »

Author Question: The most ancient branch point in animal phylogeny is that between having A) radi (Read 1010 times)

hummingbird

  • Sr. Member
  • ****
  • Posts: 324
on: Aug 2, 2013
The most ancient branch point in animal phylogeny is that between having
A) radial or 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.


geoffrey

  • Hero Member
  • *****
  • Posts: 880
Reply #1 on: Aug 3, 2013
Best answer would be D.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

hummingbird

  • Sr. Member
  • ****
  • Posts: 324
Reply #2 on: Aug 7, 2013
Great help lol Thanks


« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Prokaryote v. Eukaryote (Plant vs. Animal Cells) Prokaryote v. Eukaryote (Plant vs. Animal Cells)
Ulysses S. Grant poses at City Point, Virginia, during the siege of Petersburg. Ulysses S. Grant poses at City Point, Virginia, during the siege of Petersburg.
The Ancient Near East The Ancient Near East
Animal Intelligence Animal Intelligence
The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C? The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C?
A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel ... A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel ...
Video: Mitosis step-by-step

For a complete list of videos, visit our video library