Sponges Flashcards
(4 cards)
1
Q
the ____________ or collar cells, of sponges are nearly identical to one type of colonial protist living today, known as ________________
A
Choanocytes
choanoflagellates
2
Q
the simplest and most primitive animals living today, thus, are important in considering the evolution of animals.
A
Sponges
3
Q
Sponges’ intermediate level of _________organization hints at the evolutionary ties between __________protist and higher ___________animals.
A
cellular
unicellular
multicellular
4
Q
was the most likely ancestor of sponges; ancient sponge ancestors positioned correctly at the base of the animal tree of life.
A
choanoflagellates
