Review Flashcards
What level of organization is porifera?
Cellular
What symmetry is porefera?
None
What germ is porifera?
None
What body cavity is porifera?
None
What organization is Cnidaria?
Tissue
What symmetry is Cnidaria?
Radial
What germ is Cnidaria?
2
How many body cavities does Cnidaria have?
1
What level of organization is Platyhelminthes?
Organ
What kind of symmetry is platyhelminthes?
Bilateral
How many germ layers does platyhelminthes have?
3
What kind of body cavity does Platyhelminthes have?
Acoeloceolome
Is Platyhelminthes a deutrostome?
A protodeuterostrome
What kind of cleavage is Platyhelminthes?
Spiral
What coelom is Platyhelminthes?
Schizocoelom
What does the Platyhelminthes blastopore develop into?
Mouth
What level of organization is nematoda?
Organ
What level of symmetry is nematoda?
Bilateral
How many germ layers does nematoda have?
3
What kind of body cavity does Nematoda have?
Pseudocoelom
Is Nematoda a deuterostome?
Yes, a protodeuterostome
What kind of cleavage does Nematoda have?
Spiral
What kind of coelom does Nematoda have?
Schizocoelom
What does the Nematoda blastopore develop into?
Mouth
What level of organization is mallusea?
Organ
What kind of symmetry is mallusea?
Bilateral
How many germ layers does mallusea have?
3
Is mallusea a deuterostome?
Yes, a protodeuterostome
What kind of cleavage does mallusea have?
Spiral
What kind of coelom does mallusea have?
Schizocoelom
What does the mallusea blastopore develop into?
Mouth
What level of organization is annelida?
Organ
What level of symmetry is annelida?
Bilateral
How many germ layers does annelida have?
3
What type of body cavity is Annelida?
Coelom
Is Annelida a deuterostome?
Yes, a protodeuterostome
What kind of cleavage is Annelida?
Spiral
What kind of coelom is Annelida?
Schizocoelom
What does the Annelida blastopore develop into?
Mouth
What level of organization is artheropoda?
Organ
What level of symmetry is artheropoda?
Bilateral
How many germ layers does artheropoda have?
3
What kind of body cavity does artheropoda have?
Coelom
What kind of cleavage does artheropoda have?
Spiral
What type of coelom does artheropoda have?
Schizocoelom
What does the artheropoda blastopore develop into?
Mouth
What level of organization is echinoderma
Organ
What level of symmetry is echinoderma
Bilateral
How many germ layers does echinoderma have?
3
What kind of body cavity does echinoderma have?
Coelom
Is echinoderma a deuterostome
Yes, it is a deuterostome
What kind of cleavage does echinoderma have?
Radial
What kind of coelom does echinoderma have?
Enterocoelom
What does the echinoderma blastopore develop into?
Anus
What level of organization is chordata?
Orgab
What level of symmetry is chordata?
Bilateral
How many germ layers does chordata have?
3
What kind of body cavity does Chordata have?
Coelom
Is Chordata a deuterostome?
Yes, it is a deuterostome
What kind of cleavage does Chordata have?
Radial
What kind of coelom does Chordata have?
Enterocoelom
What does the Chordata blastopore develop into?
Anus
What are the 4 stages of embryonic development?
Zygote, 8-Cell, Blastula, Gastrulation
How do protostomes differ from deuterostomes?
Protostomes have spiral cleavage, a Schizocoelom, blastopore is mouth, and a nervous system of the vent wrap side.
What are the 5 characteristics of Chordata?
Dorsal hollow nerve cord, notochord, post-anal tail, perforated pharynx, and the endostyle
What is mycelium?
A web of filaments called hyphae which search for nutrients
What is cytoplasmic streaming?
The movement of cytoplasm to transport nutrients
What is plasmogamy?
Protoplasm of the two parent cells fuse without the fusion of nuclei for reproduction
What is karyogamy?
Fusion of two nuclei during reproduction
What is the body type and key feature of chytridiomycota?
The body type is 1-7 cells and it has motile spores with flagella and is asexual
What is the body type of zygomycota?
The body type is hyphael and it has a sexual stage where the zygospore forms
What is the body type of glomeromycota?
Hyphael body type, this is when the roots form
What are 3 things plants and algae share?
Cellulose in walls, photosynthetic starch, and chlorophyll a and b
What has walls reinforced with linen to transport water
Xylem
What is used for sugar transport in plants?
The Phloem
What are rhyzomes?
Horizontal roots that anchor the plant
What does homeosporous mean?
Plants produce one type of spore, produce sperm and eggs, and have motile sperm
What does heterosporous mean?
Plants produce two types of spores, females produce eggs, males produce non-motile sperm
In what order was there: O2 in the atmosphere, multicellularity, the origin of earth, the beginning of life, multicellularity, origin of eukaryotes, and the origin of prokaryotes?
Origin of earth, origin of life, first prokaryote, O2 in atmosphere, first eukaryote, and multicellularity
What are the benefits of multicellularity?
Specialization, lower SA to volume ratio
What are the costs of multicellularity?
Higher metabolic costs, longer generation time
What is significant about the Cambrian explosion?
Many new phyla appear, new modes of locomotion, segmented bodies appear
What caused the Cambrian explosion?
More O2 in the atmosphere increased metabolism and growth, Hox genes provided developmental flexibility, predator/prey relations causes a change in exoskeleton