In an electrochemical cell, = 0.010 and
= 855. What can you conclude about
and
?
a) is positive and
is negative.
b) is negative and
is positive.
c) and
are both negative.
d) and
are both positive.
Animals Part 2: Deuterostomes 1) Deuterostomes a) Blastopore becomes anus b) 4 phyla c) No fossils of common ancestor candidates 2) Phylum Echinodermata a) Echinoderm Traits i) Water vascular system with tube feet ii) Endoskeleton stiff or loose plates (stars) 3) Phylum Chordata a) Notochord – (Def.) flexible rod running along dorsal axis of body b) Nerve cord c) Pharyngeal slits – allows water to pass through d) Muscular, postanal tail 4) Invertebrate Chordates (2 subphyla) a) Cephalochordates i) adult possesses all 4 chordate traits ii) suspension feeders iii) simple “brain” 5) Vertebrates (subphylum) a) head with cranium (skull) b) vertebrae