QUESTIONS AND SOLUTIONS 100 PERCENT
CORRECT VERIFIED ANSWERS
●● diploblastic examples
Answer: ctenophora, cnidarians
●● triploblastic examples
Answer: platyhelminthes, annelids, mollusks, nematodes, arthropods,
echinoderms
●● coelomates
Answer: vertebrates, body cavity completely lined with mesodermal
tissue, organs attached to each other and arranged in a particular order
●● pseudocoelomates
Answer: An animal whose body cavity is lined by tissue derived from
mesoderm and endoderm.
●● protostomes
Answer: mouth develops before the anus, a solid mass of mesoderm
splits to form the coelom
, ●● deuterostomes
Answer: anus developesd before the mouth, mesoderm pockets pinch off
from the endoderm to form the coelom
●● what is the common feature of all animals in the superphylum
ecdysozoa?
Answer: they have a cuticle that must be shed
●● select the features that define a chordate
Answer: notochord, pharyngeal slits, post-anal tail, hollow nerve cord
●● which are examples of amniotes
Answer: bears and lizards
●● which trait is one of the defining characteristics of all mammals
Answer: mammary glands
●● which statement is an example of a fixed action pattern
Answer: humans yawn in a similar manner and cannot stop until the
yawn finishes
●● imprinting