What is the key difference between a coelom and a pseudocoelom? a) a coelom is a true body cavity, whereas a pseudocoelom is a false coelom that is not fully functional. b) pseudocoeloms arose early in animal evolution and evolved into coeloms. c) only a coelom is fully lined with mesoderm tissue.

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?