Answer
C. A community at a particular site has only one stable equilibrium.
Explanation:
Answer:
Separation of homologous chromosomes occurs after the formation of tetrads, during anaphase I of meiosis. ... Both divisions require the condensation of chromosomes and eventual cytokinesis to produce daughter cells. Sister chromatids are separated during anaphase of mitosis, and during anaphase II of meiosis.
When the action potential reaches<span> the </span>axon<span> ending, it causes another ion (calcium, Ca++) to enter the cell, which in turn causes the vesicles -- the tiny bubbles full of neurotransmitters -- to release their contents into the synaptic gap</span>
Answer:
The statements in options A,B,C,D and E are all correct.
A. Invertebrates lack a back bone
B. Ecdysozoans typically posses a flexible exoskeleton that protects these animals from harmful external factors like water loss.
C. Deuterstomia, Lophotrochozoa and Ecdysozoa are classes of Bilaterians.
D. Animal A is a bilateral because bilateral embryos are triploblastic possessing three germ layers, are bilaterally symmetrical and lack a back bone.
E. All animal from studies are found to have a common ancestry.
Biological Warfare i believe