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64 Cards in this Set
- Front
- Back
"what is the purpose of the ovule in plants
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In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells
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which generation is found in the seed of gumnosperm and angiosperm plants
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seed plants
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what is gymnosperm
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a seed plant with the ovules borne on the surface of a sporophyll
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what are microspores
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The smaller type of spore, bearing male gametes
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what are megaspores
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the larger type of spore bearing female gametes
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What is the difference between pollination and fertilization?
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Pollination is the spreading of pollen from the male to the female part of a flower.
Fertilization is the sperm and egg joining to form a zygote. |
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What Is An Example Of Angiosperms?
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daisy rose any flowering plant
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what is an example of gymnosperm plants
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conifers, cycads, ginkgoes, and gnetophytes
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what are monocots
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flower parts in threes or multiples of three, herbaceous, parallel venation, never woody
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what are eudicots
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flowering parts in fours or fives, woody or herbaceous, net venation, can be woody
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what is double fertilization
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egg & polar body/nucleli are fertilized
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what is the endosperm
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is the tissue inside the seeds of flowering plants at the time of fertilization
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what is the embryo sac
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produces the egg cell for fertilization
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what are the three parts of the seed
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seed coat, embryo & endosperm (3n)
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what is chemosynthetic
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a bacteria able to make organic molecules utilizing in organic molecules
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what is the scientific name for the organism that couses black death
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Yersinia pestis
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waht is saprotrophic
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most bacteria. they send out digestive enzymes in to the environment & take up the resulting nutrient molecules
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what is a colony
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cells that decended from an original cell
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what does an endospore contain and what is it incased in
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contains a copy of the genetic material incased by heavy protective spore coats
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what are the tree taxonomic domains
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bacteria, archaea & eukaryotes
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which domain to bacteria belong to
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bacteria
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what are the differences between prokaryotes and eukaryotes
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prokaryotes have no nucleus or membrane and they have bound organelles
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what are three techniques used to identify bacteria
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staining technique (gram stain), shape, & colony morphology
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what is the name used for round bacteria
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cocci
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what is the name used for rod bacteria
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bacilli
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what is the name used for spiral bacteria
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spirilla
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what color do gram positive bacteria stain
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purple
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what color do gram negitive bacteria stain
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pink
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which domain do protists belong to
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eukaryots
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which protist organism may be the ancestor to the first plants
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green algae
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what type of reproduction is used by volvox
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sezually & asexually
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are doughter colonies produced sexually or asexually
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asexually
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what is the cell wall of diatoms impregnated with
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silica
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which organism is responsible for red tides
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dino flagellates
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what three forms of locomotion are used by protozoa
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psuedopods, cilia, flagella
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what is evolution
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the process by which life has changed through time
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what is a species
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a group of similarly constructed organisms that share common genes
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what is a population
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all members of a species living in a particular area
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what is a fossil
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remains or ecidence of some organism that lived long ago
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what are the three types of evidence that suggest various types of organisms are related through common descent
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fossil record, comparative anatomy & biochemical comparison
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how is the age of a fossil measured
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relative and absolute dating
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how does the process of dating work
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doesnt give exact date just dates that this one died before that one
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what is the difference between homologous and analogous structures
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homologus come from the same embryo tissue analogous does not come from the same embry tissue
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what structures are used to indicate an evolutionary relationship
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homologus
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what happens to the paired pharyngeal pouches in aquatic animals
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become functunal gills
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what happens to the paired pharyngeal puches in humans
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1st pair becomes the cavity of the middle ear & auditory tube. 2nd pair becomes tonsils. 3rd & 4th pairs become the thymus & parathyroid glans
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gram negitive baccilli
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gram positive cocci
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amoebozoa amoeba proteus
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amoebozoa entamoeba
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apicomplexans plasmodium
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ciliata paramecium
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cyanobacteria gloeocapsa
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cyanobacteria oscillatoria
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cynobacteria anabaena
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diatoms
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dinoflagellates ceratium
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dinoflagellates peridinium
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gram negitive bacilli.jpegs
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Gram positive cocci
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spirilla
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spirogyra desmids
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typanosoma
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volvox
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