<?xml version="1.0" encoding="UTF-8"?><oembed><type>video</type><version>1.0</version><html>&lt;iframe src=&quot;https://www.loom.com/embed/bbb1f22d7085411ca6cc7e708998c411&quot; frameborder=&quot;0&quot; width=&quot;1280&quot; height=&quot;960&quot; webkitallowfullscreen mozallowfullscreen allowfullscreen&gt;&lt;/iframe&gt;</html><height>960</height><width>1280</width><provider_name>Loom</provider_name><provider_url>https://www.loom.com</provider_url><thumbnail_height>960</thumbnail_height><thumbnail_width>1280</thumbnail_width><thumbnail_url>https://cdn.loom.com/sessions/thumbnails/bbb1f22d7085411ca6cc7e708998c411-00001.jpg</thumbnail_url><duration>160</duration><title>S1 Q23 May 2021</title><description>p: What evidence in the passage best supports the hypothesis that the presence of WNT and Fgf8 
proteins during embryonic development is necessary for the formation of beaks?
a: A) Lines 37-38 (“So Bhullar ... these bones”);
B) Lines 46-48 (“In mammals ... face”);
C) Lines 49-51 (“To explore ... proteins”);
D) Lines 51-54 (“When ... pointy”)</description></oembed>