Lab Final Flashcards
What are the 3 shapes of bacteria?
Cocci - sperical
Bacilli - rod shaped
Spirilli - corckscrew
What pigment is chlorphyll?
green
Compare heterotroph, autotroph and mixotroph
Heterotroph - Ingest food for energy and uses organic carbon source (animals, fungi)
Autotroph - Makes its own food via light/chemicals (plants, algae, cyanobacteria)
Mixotroph - alternate between photosynthesis and heterotroph
Photoautotrophs use ___________ to produce carbon.
photosynthesis
What is formed by the fusion of two coenocytic gametangia?
zygosporangia
What is heterothallism?
No sexes just (+) (-), increases genetic variability
What is the fruiting body of the ascomycota?
Ascocarp - contains spores
The ascus produces ___________.
ascospores
What is the fruiting body of the basidiomycota?
basidiocarp
The basidia produces _________.
basidiospores
The stamen includes the _________ and __________.
anther and filament
The carpel includes what three things?
Stigma
Style
Ovary
Compare monocot vs dicot
Monocot - 3,6 petals
Dicot - 2,4,5 petals
The _______ carries water and nutrients from roots to branches and leaves.
Xylem
The ________ carries sugar (photosynthate) to all parts of the plant
Phloem
What are nematocysts and what phylum uses them?
Harpoon of neurotoxins used to paralyze prey. Used by cnidaria (jellyfish).
What is the spongocoel?
the central cavity in the body of a sponge
What 5 classes belong to the phylum echinodermata?
- Asteroidea (sea star)
- Ophiuroidea (brittle stars)
- Crinoidea ( sea lillies)
- Holothuroidea (sea cucumber)
- Echinoidea (sea urchin/sand dollars)
What is a madreporite and what class has them?
Asteroidea (sea stars). Where water passes through vascular system.
What are tube feet used for in echinoderms and what operates them?
Locomotion or collecting food. Operated by water-vascular system
What is a notochord?
Structural support, site of muscle attachement.
Notochords are derived from the _________ and are always present in the __________ stage.
mesoderm
embryonic
In vertebrates, pharyngeal slits are used for ___________.
respiration
In invertebrates, pharyngeal slits are used for ___________.
feeding
What are 5 common characteristics of Chordata?
- Notochord
- Pharngeal slits
- Hollow doral nerve cord
- Post-anal tail
- Presence of yolk sac in eggs
The hollow dorsal nerve cord in Chordates are formed from ________ and forms into the ________ _________ __________.
ectoderm
central nervous system
The ______ ______ _______is sometimes only in embryonic stages and sometimes in adults.
Post-anal tail
The class hyperoartia (lampreys) are jawless vertebrae that belongs to what phylum?
Chordata
What are common characteristics of the phylum porifera?
- No nervous system
- No digestive system
- No circulatory system
- Inner surface = choanocytes
What are common characteristics of Cnidaria?
- Polyp and medusa stage
- Nerve net
- Diffusion
- Catch prey with nematocysts
What are 3 classes of Cnidaria?
- Hydrozoa
- Schyphozoa
- Anthozoa
Describe hydrozoa feeding, nervous sytem, and circultory system?
Feeding: extend tentacles and sting with nematocyts
Nervous system: simple nerve net
Circulatory system: diffusion through walls
How do anthozoans reproduce?
- Spawn eggs/sperm through mouth
- Asexually by budding/binary fission
Describe schyphozoa feeding, nervous sytem, and circultory system?
Feeding: mouth/central stomach, diverticula radiating, use nematocyts
Nervous system: nerve net
Circulatory system: diffusion through body, mostly water
Compare gymnosperm and angiosperm seeds.
Gynosperm seeds are NOT enclosed in ovule (pine cone)
Angiosperm seeds are surrounded by the ovule (apple)
What are common characteristics of echinodermata?
- Pentamerous symmetry (NOT radial)
- Oral/aboral sides
- Embryos bilaterally symmetric
- Rigid internal skeleton
- Water vascular system/tube feet
What is the representative species of the class Asteroidea?
Sea Star
What is the representative species of the class Ophiuroidea?
Brittle star
What is the representative species of the class Holothuroidea?
Sea cucumber
What is the representative species of the class Crinoidea?
Sea lillies
What is the representative species of the class Echinoidea?
sea urchin/sand dollars
What is the representative species of the class Hypoeroartia?
Lamprey
What is the representative species of the phlum Cnidaria?
Schyphozoa (jellyfish)
What are common characteristics of the phylum Platyhelminthes (flatworms)?
- Bilateral and unsegmented
- No circulatory system (flat shaped allows for diffusion)
- Digestion incomplete (one opening)
- Acoelomate (no body cavity)
What are common characteristics of the phylum Annelids (leeches/earthworms)?
- Bilateral and segmented
- Coelomates (fluid filled body cavity lined from mesoderm)
- Some have parapodia for movement
What are common characteristics of the phylum Nematoda?
- Parasitic
- Represent 90% of all animals
- Nervous system throughout body
- Pseudocoelomates (false cavity, mesoderm fluid partially filled)
What is the common species of gastropods?
snails/slugs
What is the common species of bivalves?
Clams/oysters/mussels
What is the common species of cephalopods?
squids/octopus
What is the common species of polyplacophora?
Chitons
What are the 4 classes in the phylum Mollusca?
- Gastropoda - snails/slugs
- Bivalvia - Clams/oysters
- Cephalopoda - squids/octopus
- Polyplacophora - Chitons
What is the common characteristics of the phlym arthropoda?
- Exoskeleton made of chitin
- Segmented
- Jointed appendages
What is the common species of chelicerata?
Spiders/scorpions
What is the common species of myriapoda?
centipedes/milipedes
What is the common species of hexapoda?
Beetles
What is the common species of crustacea?
crabs/lobsters
What is the common species and characteristics of Urochordates?
Ascidians/tunicates
- Attached to substrate
- Tunic made of cellulose
What is the common species and characteristics of cephalochordates?
Lancets
- All 4 chordate characteristics in adulthood (Notochord, pharyngeal slits, hollow doral nerve cord, post-anal tail)
What is the common species and characteristics of Chondrichthyans?
Sharks/rays
- Cartilaginous fishes (Bones made of cartiage ONLY)
- Paired fins
What is the common species and characteristics of Actinopterygii?
Normal fish
Operculum - protects gills
Swim bladder
Bony spines and scales
What is the common species and characteristics of Amphibia?
Frogs/salamanders
- Egg sacs deposited in water
- Aquatic larvae with gills
- Undergoes metamorphosis
What is the common species and characteristics of Reptilia?
Birds/lizards/crocodiles/snakes
- Body covered with scales/feathers
- Lungs
- Lay eggs outside body
- Birds endothermic, reptiles exothermic
What is the common species and characteristics of Mammalia?
Panda/Whales/Otters
- Endothermic (create own heat)
- Hair
- Internally fertilized eggs
- Feed young with milk