Cnidarians were the first phylum that scientists saw tissue level organization in. Tissue level organization meaning cells all of one type start to function in a unified way.
The answer is She is moving to the traffic light, but she is not moving relative to the bus driver.
Hope I helped
Answer:
Presence of papillary muscles
Explanation:
- Papillary muscles are structural components of the ventricles.
- They are attached to the cusps of the mitral and tricuspid valves through connective tissue strings known as the cordinae tendeneae (heart strings).
- These muscles prevent the prolaspse of these valves during ventricular systole.
- Although they differ in number i.e. two in left and three in right ventricle, papillary muscles are present in both ventricles.
<span>The answer to the question stated above is letter A. Cell Structure.
In the new 6-kingdom system of classification, like the old 5-kingdom system, organisms are basically grouped by</span><span> cell structure.
The new 6-kingdom system of classification includes the following:
</span>Animalia<span>, </span>Plantae<span>, </span>Fungi<span>, </span>Protista<span>, </span>Archaea/Archaeabacteria<span>, and </span>Bacteria/Eubacteria.
