Shared Flashcard Set

Details

BioII
midterm
50
Biology
Undergraduate 3
02/27/2013

Additional Biology Flashcards

 


 

Cards

Term
Specialized symbiotic associations between the roots of plants and fungi are called
Definition
mycorrhizae
Term
A mass of hyphae in an ascomycete is commonly referred to as a(n)
Definition
mycelium
Term
Fungi can be characterized by all of the following properties except
Definition
reproducing sexually
Term
A symbiotic association between a fungus and a green alga or a cyanobacterium is called a
Definition
lichen
Term
All of the following are reproductive structures found in some fungi except
Definition
mycorrhiza
Term
A division of fungi that lacks septa in their hyphae except when they form sporangia or gametangia is the
Definition
zygomycetes
Term
The most economically useful unicellular fungi are
Definition
yeasts
Term
The rusts and smuts that seriously affect crop plants are
Definition
basidiomycetes
Term
Lichens are adversely affected by
Definition
pollution
Term
The fruiting structure formed by secondary mycelia of basidiomycetes are known as
Definition
mushrooms
Term
Arbuscular mycorrhizae are characterized by all of the following features except
Definition
fungus can associate several species of plants
Term
Mycorrhizal associations replace and perform the same functions as
Definition
root hairs
Term
All of the following statements about the Kingdom Fungi are true except
Definition
all fungi conduct mitosis
Term
Lichens are mutualism between
Definition
fungi and algae
Term
Which of the phyla of fungi is incorrectly matched with its example?
Definition
Ascomycota-mushroom
Term
In the leaf cutter ant-plant-fungus tripartite relationship, the association between the ant and the fungus can best de described as
Definition
obligate mutualism
Term
Which of the following statements about a typical fungus is false?
Definition
A dikaryotic hyphae has nuclei that can be haploid or diploid
Term
Mushrooms are the best known members; rusts and smuts;most hyphae are dikaryotic
Definition
basidiomycota
Term
Aquatic, flagellated fungi; one species parasitic of amphibians
Definition
chytrids
Term
Mycelium without septa; bread molds; asexual reproduction more frequent
Definition
zygomycota
Term
Asexual reproduction by conidia; spores contain eight haploid nuclei; yeasts
Definition
ascomycota
Term
The carcinogenic compound ____________, which damages kidneys and the nervous system, is produced by some strains of Aspergillus flavus
Definition
Aflatoxin
Term
Protosomes develop through
Definition
spiral clevage
Term
In animals that display indeterminate development
Definition
Early Embryos if separated from the embryo, can develop into complete organisms
Term
Solid worms that lack a body cavity are known as
Definition
acoelomate
Term
Eumetazoans are characterized by all of the following except
Definition
they have true coeloms
Term
Most animals undergo the following patterns of embyonic development
Definition
zygote->morula->blastula->gastula
Term
Which of the following terms is mismatched with its meaning or characteristics?
Definition
diploblastic->ectoderm & mesoderm
Term
Which are the three animal phyla that dominate animal life on land?
Definition
Molluscs, Arthropoda & Chordata
Term
Parazoa have no true
Definition
tissues
Term
In attempts to discover the origin of metazoans, ribosomal RNA sequences indicate that the _________________ hypothesis is correct
Definition
colonial flagelates
Term
Which of the following is not correct regarding the origin of parazoans and eumetazoans?
Definition
sponges evolved independently from eumetazoans
Term
Select the following phylum that includes animals that are unsegmented, acoelomate, and have a digestive cavity with a single opening
Definition
platyhelminthes
Term
Solid worms that lack a body cavity are known as
Definition
acoelomate
Term
As animals evolved from simple to complex, transitions in body plans occurred. Which of these was not one of them?
Definition
evolution of diploblastic tissues
Term
A biologist discovered a new animal. Upon studying embryonic development, she observed radial cleavage with the blasopore developing into an anus. This animal was categorized as a
Definition
deuterstome
Term
The fungal group that is most closely related to ancestral fungi are the
Definition
chytrids
Term
Chitin is found in all of the following except
Definition
protist cell walls
Term
Diploid cells of animals and plants are genetically similar to fungal
Definition
dikaryotic hyphae
Term
The evolution of coelum allows for
Definition
development of hydrostatic skeleton
Term
Circulatory systems solved the problem of _________________ in animals with coeloms
Definition
Barrier to diffusion created by tissue surrounding the gut
Term
Animals are distinct among multicellular organisms in all of the following features except
Definition
they are heterotrophic
Term
Segmentation is the subdivision of the body into segments or metameres. True segmentation is found in which of the following phyla selections?
Definition
Arthropoda, Annelida & Chordata
Term
Which one of the following terms applies to the phylum Arthropoda?
Definition
coelomate
Term
Which one of the following terms applies to the phylum Mollusca
Definition
Botosome
Term
Which one of the following terms applies to the phylum Platyhelminthes
Definition
acoelomate
Term
Which one of the following terms does not apply to the phylum Annelida
Definition
indeterminate cleavage
Term
Which of the following terms does not apply to the phylum Nematoda?
Definition
pseudocoelomate
Term
Which one of the following terms applies to the phylum Cnidaria?
Definition
radial symmetry
Term
Animals with a body cavity located between the mesoderm and endoderm are
Definition
pseudocoelom or Pseudocoelomate
Supporting users have an ad free experience!