Ascidians are sac-like marine organisms. Their larvae have well-developed brains and dorsal nerve cords. This suggests that ascidians should be classified with the - cnidarians

chordates

annelids

sponges

How long is my arm?

Differentiate between reflex action and walking

What is the process by which two haploid cells (1n) combine to form a diploid cell (2n) ?

In which part of the heart do the endocardium extensions form? atria aorta SA node valves ventricles

How are materials transported within a single cells organism

A double-stranded molecule of DNA has 80 T nucleotides and 110 G nucleotides. What is the TOTAL number of nucleotides in this molecule of DNA?

Why is an angioplasty an incorrect treatment for an aneurysm? A) Aneurysms cannot be treated. B) An angioplasty may rupture the blood vessel wall. C) An angioplasty can have dangerous drug reactions. D) Aneurysms are treated only with pacemakers.

Why was nucleic acid disregarded for so long as the molecule responsible for the transmission of hereditary information?

Sally's estimated energy requirement, based upon her age, height, and weight, is approximately 2000 kcalories per day. What is the maximum number of kcalories per day that she can consume to lose 3 pounds per month. Assume 1 month is 30 days. a.

Which hormone causes the regrowth of the endometrial lining of the uterus? testosterone estrogen GnRH progesterone