Answer:
Cnidarians represent a more complex level of organization than Porifera. They possess outer and inner tissue layers that sandwich a noncellular mesoglea. Cnidarians possess a well-formed digestive system and carry out extracellular digestion.
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Answer:
Hmm.
Explanation:
The ocean is the dominant physical feature on our planet Earth, covering approximately 70% of the planet's surface.
Answer:
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Explanation:
Both of the parents would need to have ww because the trait of a straight hairline is recessive.
The answer TRUE they do not have a fossil record.
