Chapter 32 exam 8
Blastula
A ____ is a hollow ball of cells
Triploblastic
A bilaterally symmetrical animal will always also be ___
Lophophore
A feeding structure found in protostomes. Comprised of a crown of ciliated tentacles
Outside
A tapeworm inside your cut is technically "___" the body
Mesoderm
A true coelom is completely lined with ___ tissue
Radial symmetry
All 4 halves will mirror each other if cut
Coelomate
An animals that has a coelom that is surrounded by mesoderm. Humans and the rest of invertebrae
Zoa-
Animal
Choanoflagellates
Animals evolved from flagellated protists similar to modern day ___
Solid
Animals that are neither coelomate nor pseudocoelomate have ____ bodies of tissue
Phore-
Bearing, carrying
Pseudocoelomates
Describes nematomorpha, rotifers, and kinorhyncha. Animals that have 3 germ layers and a coelom
Protostome development
Determinate cleavage generally applies to ____
Diplo-
Double
Chordates
Echinoderms are most closely related to ___
Proto-
First, original
Cnidarians
Flatworms are similar to ___ in that they both have true tissues
Entero-
Gut
Anthropoda
Has a coelom, jointed appendages, and metameric segmentation
Meta-zoa
Higher
Coel
Hollow, cavity
Chordata
Humans belong to the phylum ___
Deuterostome
In ____ development, the blastopore develops into the anus
Protostome
In ____ development, the blastopore develops into the mouth
Monophyletic
Kingdom animalia is
Meso-
Middle
Stome-
Mouth, opening
Arche-
Primitive, to begin
Nematoda
Round worms, bilateral, 3 germayers, pseudocoel,
Deutero-
Second
Morph-
Shape
Molluska
Soft body, covered by shell, has a coelom
True tissues
Sponges lack ___
Ectoderm
The ____ germ layer forms the spinal cord
Gastrulation
The characteristic unique to animals is
Colonial flagellated protist
The common ancestor of all animals is likely to be a ____
Cleavage
The first stage you can determine a protostome from a deuterostome is
Acoelomate
The name for jellies, flatworms, and tapeworms. These animals are triploblastic and lack coelom
Fertilization, cleavage, gastrulation, metamorphosis
The process of embryonic development in order
Triplo-
Triple
Endo-
Within
Cnidaria
____ are triploblastic
Ecdysozoans
____ have exoskeleton or hard outer covering that they shed
Meta-morphosis
Change
Blast-
Germ
Rotifera
Microscopic, 2 germ layers, aquatic, bilateral
Ecto-
Outside
