Answer questions 94-97 in reference to the four animal phyla listed below:?
2 comments so farA. Annelida
B. Arthropoda
C. Mollusca
D. Echinodermata
94. Members of this phylum display obvious, uniform segmentation from anterior to posterior
95. The larval stage in this phylum has bilateral symmetry, whereas the adult stage exhibits radial symmetry
96. Although most are enclosed by hardened shells, this phylum name literally means “soft body”
97. This phylum has the greater number of species
What phylum or class are these descriptions about?
1 comment so farI had to do 50 of these questions, and I just have 5 more to go! Please help me. I’d appreciate it.
List the correct phylum or class name for the following:
1. class of primitive egg laying animals
2. animal phylum lacking tissues or body plan
3. first phylum with body segmentation
4. triploblastic; but sac body [...]
i need help with this ap biology stuff. just a head start?
1 comment so farIn the evolution of organisms, major adaptations arose in certain groups, opening new evolutionary possibilities. For two of the following types of organisms, discuss the evolutionary significance of the features listed.
1. Flatworms: three germ layers, bilateral symmetry and cephalization
2. Segmented worms: segmentation, coelom and digestive system
3. Reptiles: amniotic eggs, [...]
Biology Questions! Really challenging?
1 comment so far1. Name two animal phyla whose members show segmentation.
2. What is one advantage of the multichambered heart that is found in some vertebrates?
3. Name one advantage and one disadvantage of being a hermaphrodite.
4. List three characteristics that insects share with other members of the subphylum myriapoda.
5. List two differences between insects and other members of [...]
Please help! biology question for homework.will award best answer?
1 comment so farFor two of the following types of organisms, discuss the evolutionary significance of the features list.
a. flowering plants: flowers, fruits, seeds and brad leaves
b. flatworms: three germ layers, bilateral Symmetry and cephalization
c. segmented worms: segmentation, coelom and digestive system
d. reptiles: amniotic eggs, water proof skin, and well developed lungs.