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مسا الخير
كيف كان الاختبار؟؟
بالنسبه ليا معفن
المفروض تتنحذف الاسئلة لأنهم قالو ذاكروا التست بانك الجديد
والمشكله ما جا منه شي في الاختبار
ومو من حقهم يحسبوه لنا
واحلى شي السؤال المكرر
انا ما فهمت ايش يعني؟؟
يبغوا يعطونا درجة هديه ولا كيف؟؟
دي الاسئلة اللي مو معانا

64) Animals that are segmented and have jointed appendages and an exoskeleton are members of the phylum
A) Platyhelminthes.
B) Mollusca.
C) Annelida.
D) Cnidaria.
E) Arthropoda.
Answer: E


50) Which of the following animals displays radial symmetry?
A) a worm
B) a sea anemone
C) a fish
D) a lobster
E) an alligator
Answer: B


75) Which of the following is an invertebrate chordate?
A) lancelets
B) lampreys
C) snakes
D) sharks
E) sea urchins
Answer: A


62) Which adaptation is a key characteristic of annelids that greatly increases their flexibility and mobility?
A) complete digestive tract
B) hydrostatic skeleton
C) segmentation
D) hermaphroditic reproductive style
E) three true tissue layers
Answer: C


78) Lampreys differ from fishes in that lampreys
A) lack a backbone.
B) lack an endoskeleton.
C) lack jaws and paired fins.
D) possess opercula.
E) possess a backbone and skull.
Answer: C


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