Complete the phylogenetic tree by matching each characteristic that arose during the evolution of animals to its correct position
coelom
endoskeleton
segmentation
tissues
porifera
cnidaria
platyhelminthes
nematoda
mollusca
annelida
arthropada
echinodemata

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

All ova contain sex chromosomes corresponding to: x y xx xy