Refer to the accompanying figure. Suppose new molecular analyses indicated that the phylum Annelida had diverged from the arthropod lineage after Onychophora and Tardigrada. What would this imply about protostome evolution?
1) Segmentation evolved only once within protostomes.
2) The annelid lineage gained and then lost the ability to molt.
3) The annelid lineage gained and then lost jointed limbs.
A) 1, 2, and 3
B) 2 and 3
C) only 3
D) 1 and 2
E) 1 and 3
Correct Answer:
Verified
Q7: Arthropods invaded land about 100 million years
Q31: The possession of two pairs of antennae
Q44: Nematode worms and annelid worms share which
Q45: When considering the wormlike phyla within the
Q46: Use the following information to answer the
Q47: A student observes a wormlike organism crawling
Q49: The body cavity type for arthropods and
Q50: Among protostomes, which morphological trait has shown
Q51: Arthropod exoskeletons and mollusk shells both _.
A)
Q74: A farm pond, usually dry during winter,
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents