Module 4 Flashcards
Name three (3) ways that animals differ from plants and fungi
- Modes of Nutrition
- Complex cell structure and specialization
- Modes of reproduction and development
What are sets of morphological and developmental traits integrated into the functioning, living animal
Animal Body Plan
1) top side of radial symmetry
2) bottom side of radial symmetry
1) oral
2) aboral
1) top side of bilateral symmetry
2) bottom side of bilateral symmetry
3) front side of bilateral symmetry
4) back side of bilateral symmetry
1) dorsal
2) ventral
3) anterior
4) posterior
Centralisation of the nervous system at the anterior end
Cephalisation
This germ layer covers the surface of the embryo, giving rise to the outer
covering of the animal and, in some
cases, the CNS
Ectoderm
This germ layer is the innermost one and lines the archenteron, giving rise to the lining of the digestive tract and other internal organs
Endoderm
This germ layer is sandwiched between the ectoderm and endoderm, and forms the muscles and most other organs
Mesoderm
This is a further classification for triploblastic organisms that is seen in many of them
Body Cavities
These organisms have a true coelom, a body cavity completely lined by tissue derived from mesoderm.
Coelomates
These organisms have a body cavity lined in part by tissue derived from mesoderm, but also by tissue derived from endoderm
Pseudocoelomates
These organisms lack a body cavity between the digestive cavity and the outer body wall
Acoelomates
True or False? Not all animals share a common ancestor
False
What is a clade of animals with true tissues
Eumetazoa
What clade do most animal phyla belong to?
Bilateria
Name a phyla that belongs to clade
Deuterostomia
Chordates
Name some Animal Developmental Modes
- Cleavage
- Coelom formation
- Fate of the blastopore
True or False? Are all animals multicellular?
True
What type of cells are animal cells? Hint: They lack walls
Eukaryotic
True or False? Animals can produce their own food
False
True or False? Animals can actively move
True
These are simple, asymmetric, sessile animals, and they are parazoans that form colonial bodies
Sponges
What phylum are sponges classified as?
Porifera
Name 3 cell types
- Choanocytes
- Pinacocytes
- Archaeocytes
What substance can the cells produce?
Spicules
Which cells are located outside the sponges, and are harder and rigid due to spicules?
Pinacocytes
Which cells are found in the innermost parts of sponges, and are used for reproduction?
Archaeocytes
Identify the following body form:
- has an osculum and incurrent pore
- vase-like structure
- water passes through choanocytes, then exits through main pore osculum
Asconoid
Identify the following body form:
- has an osculum and incurrent canal
- more folding
- water passes through a much larger area, mainly for nutrient filtering
- increases protein synthesis and the likes
Syconoid
Identify the following body form:
- has multiple osculum, incurrent canal, and excurrent canal
- highest level of folding
Leuconoid