Everything Else Flashcards
What type of symmetry does phylum Mollusca have?
Bilateral
What type of circulatory system does phylum Mollusca have
Open circulation (except cephalopods)
What does phylum Mollusca eat
They’re herbivores, carnivores, filter feeders, scavengers and parasites
How does phylum Mollusca move
Jet propulsion or motile (very diverse ways)
What is phylum Mollusca reproduction habits
Sexual (external fertilization)
What are shell less or single shelled Mollusks called
Gastropods
Ex: slugs, snails
These have two shells held together by muscles. Examples include clams, oysters, mussels
Bivalves
How do gastropods in phylum Mollusca breathe
Respire through diffusion
How do bivalves in phylum Mollusca breathe
Respire with gills
Most advanced in phylum Mollusca
Cephalopods
What is a cephalopod
A squid, octopus, or chambered nautilus
Feet with suckers
What are some examples of phylum echinodermata
Sea cucumber Sea urchin Brittle star Sea star Sand dollar
Does phylum echinodermata have a skeleton
Yes, they have an internal skeleton called an endoskeleton
How does phylum echinodermata (sea stars) eat
They use their tube feet to pry open clams and oysters
What is the symmetry of phylum arthropod
Bilateral symmetry
What kind of eaters is phylum arthropod
Herbivores, carnivores, and omnivores
What kind of habitats does phylum arthropod live in
Aquatic and terrestrial, very diverse
How does phylum arthropod move?
They’re motile, using well developed muscles
How many segments does phylum arthropod have
Head, thorax, abdomen
How does phylum arthropod reproduce
Internal and external reproduction
What is phylum arthropod exoskeleton made of
Chitin
What kind of circulatory system does phylum arthropod have
Open
Does phylum arthropod have separate genders
They’re mostly dioecious (having the male and female reproductive organs in separate individuals.)
How does phylum Arthropoda grow larger
They have to molt their exoskeleton first
One of the paired abdominal appendages of many aquatic crustaceans, such as shrimp and lobsters, that are used for swimming and in females for carrying eggs. Also called pleopod
Swimmeret
How does phylum Arthropoda taste and smell
With their mouthparts, antennae, and legs
Can phylum Arthropoda hear
Yes they have a heightened sense of hearing and movement
Merostomata
Horseshoe crabs
Pycnogonida
Sea spiders
Arachnida
Spiders, scorpions, ticks, mites
Chilopoda
Centipedes
Diplopoda
Millipedes
Insecta
Butterflies, bees, Beatles, flies
Crustacea (sub phylum)
Crayfish, lobsters
What are amphibians like when young
They are fishlike and breathe through gills
What are amphibians like when adults
They live in land and breathe through lungs with moist skin
Anurans
Frogs and toads
Urodeles
Salamanders and newts
Caecilians
Legless amphibians
What are the three main groups of amphibians
Anurans
Urodeles
Caecilians
Cold blooded vertebrates whose body temp adjusts with the outside environment
Ectothermic (amphibians)
What kind of circulation do amphibians have
Double circulation
What is the eardrum in amphibians called
Tympanic membrane
What moves up over the eye in amphibians
Nictating membrane
Where do frogs go in the winter
They bury themselves in the muddy floor of a lake or pond
Where do toads go in the winter
They dig down into the ground below the frost line
What’s the difference between a frog and a toad
Frogs have smooth, moist skin, lay eggs in clusters, and long legs while toads have dry warty skin, stubby bodies with short legs and lay their eggs in long chains
How many species of salamanders and newts are in the world
440
How many species of frogs live in America
92
How many species of frogs/toads live in the world
Over 4000
What fossil links birds and reptiles
Archaeopteryx
What is the forelimb function in birds used for
Flight
How many orders of birds are there
27
What did the archaeopteryx look like
It had a large skull with teeth, bones that weren’t hollow and claws on its wings
Are birds endothermic?
Yes
Do birds have a bladder
No
What does the contraction of the supracoracoideus do
Raises wing
What does the contraction of the pectoralis do
Lowers wing
What is a birds body temperature
40-46 degrees Celsius or (104-115 Fahrenheit)
How do birds conserve body heat
They fluff out their feathers to conserve heat
What is the function of the crop
It stores and moistens food
What is the function of the proventriculus
Gastric fluids begin breaking down the food
What is the function of the gizzard
It crushes and kneads the food
What does the cerebellum in birds do
Coordinates movement
What does the optic lobe in birds do
Receives and interprets visual stimulation
Can birds see color
Yeah
Can birds smell
Their sense of smell is poor with the exception of ducks
Birds lack internal ears
Ear canal leads to a tympanic membrane
Where is male bird sperm produced
In two testes that lies beneath the kidneys
