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LiRa [457]
3 years ago
8

Do crabs have backbones?

Biology
2 answers:
kogti [31]3 years ago
7 0
No they do not have a backbone
Inga [223]3 years ago
7 0
No they dont have a back bone
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Answer:

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Which hypothesis suggests that ancestral vertebrates may have evolved from urochordate larvae?.
Anastaziya [24]

Garstang's Auricularia hypothesis suggests that ancestral vertebrates may have evolved from urochordate larvae.

What is Garstang's Auricularia?

The auricularia hypothesis, proposed by Garstang was an attempt to explain how the chordate body plan originated from a deuterostome common ancestor by emphasizing the significance of changes in larval forms. According to the Garstang Hypothesis, development of sexual maturity in a non-metamorphosing lineage of tunicates might provide the immediate proto-chordate ancestors of more typical chordates.

Learn more about Garstang's Auricularia here:

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1 year ago
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iragen [17]
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3 years ago
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Andreas93 [3]
 <span>10% 

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murzikaleks [220]
The main difference between inductive and deductive reasoning is that when we're doing inductive reasoning we're trying to create formal rules or formal inferences from a limited set of information, while during deductive reasoning, we're trying to deduce what would happen in a certain case based on general information available. 
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