Question

question 12
1 pts
in a cladogram, the outgroup is the group that branched from the ancestor last.
true
false

Explanation:

<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"direct_cot",
"multiple_choice_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Cladogram Outgroups"
],
"new_concepts": [],
"current_concepts": [
"Cladogram Outgroups",
"Phylogenetic Trees"
]
}
</pre_analysis>

<reasoning>

Define outgroup in cladistics

An outgroup is a lineage that diverged prior to the common ancestor of the ingroup.

Determine branching order

Because it diverged prior to the ingroup, the outgroup branched off first, not last.
</reasoning>

<answer>
<mcq-option>True</mcq-option>
<mcq-correct>False</mcq-correct>
</answer>

<post_analysis>
{
"subject": "Natural Science",
"question_type": "Multiple Choice",
"knowledge_point": [
"Natural Science",
"Biology",
"Phylogenetics"
]
}
</post_analysis>

Answer:

<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"direct_cot",
"multiple_choice_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Cladogram Outgroups"
],
"new_concepts": [],
"current_concepts": [
"Cladogram Outgroups",
"Phylogenetic Trees"
]
}
</pre_analysis>

<reasoning>

Define outgroup in cladistics

An outgroup is a lineage that diverged prior to the common ancestor of the ingroup.

Determine branching order

Because it diverged prior to the ingroup, the outgroup branched off first, not last.
</reasoning>

<answer>
<mcq-option>True</mcq-option>
<mcq-correct>False</mcq-correct>
</answer>

<post_analysis>
{
"subject": "Natural Science",
"question_type": "Multiple Choice",
"knowledge_point": [
"Natural Science",
"Biology",
"Phylogenetics"
]
}
</post_analysis>