single celled organisms
Do excavates have mitochondria?
In choanoflagellates, a collar of ____________ surrounds the __________.
From what structures is the pellicle of ciliates formed?
Describe the function of the two nuclei in ciliates.
micro nuclei - sexual reproduction
macro nuclei - metabolism and growth
Is conjugation sexual or asexual reproduction and why?
it is an exchange of micronulei between opposite mating types
What is the function of the apical complex?
The White Cliffs of Dover are comprised of the shells of what organisms?
What structure do amoebae use for feeding?
pseudopodia to engulf food
food vacuole and lysosome to digest
radial symmetry - circular or wheel formed body
bilateral symmetry - body can be divided by only 1 plane that goes through midline. right and left halves
embryonic tissue development
diploblastic - ectoderm and endoderm (branch radiata)
triploblastic - endoderm, ectoderm, mesoderm (branch bilateria)