QUESTION 2 The arthropods are the most successful group of animals; several key
ID: 50714 • Letter: Q
Question
QUESTION 2
The arthropods are the most successful group of animals; several key features explain their success. Whcih of the features listed below is NIOT found in this phylum?
growth takes place through ecdysis
a rigid exoskeleton made of chitin
closed circulatory systems
jointed appendages
segments specialized into functional tagmata
How are bird wings and arthropod wings different?
insect wings are outgrowths of the body wall
bird wings are modified forelimbs
insects have wings in addition to limbs
some insects have 4 wings instead of 2
all of the above are correct
Chordates possess several distinguishing characteristics that separate them from other animal groups. Which of the features below is NOT found in all members of this phylum?
postanal tail
vertebral column
pharyngeal slits
notochord
dorsal hollow nerve cord
QUESTION 8
Which of these is NOT an advantage to the segmentation that is exemplified in the Phylum Annelida?
vital structures are repeated in each segment
the annelid may still survive if one segment is damaged
segments can be specialized
multiple brains in each segment increases behavioral complexity
growth takes place through ecdysis
a rigid exoskeleton made of chitin
closed circulatory systems
jointed appendages
segments specialized into functional tagmata
Explanation / Answer
QUESTION 2
Closed circulatory systems
Arthopods contain open circulatory system
How are bird wings and arthropod wings different?
all of the above are correct
Chordates possess several distinguishing characteristics that separate them from other animal groups. Which of the features below is NOT found in all members of this phylum?
Vertebral column
Chordates contains notochord
Question 8
Multiple brains in each segment increases behavioral complexity