Marsupials
What is a marsupial?
animal that has underdevolped young. most have pouches that they carry their young in
What are several detoxification strategies?
Name an animal and what type of detoxification it uses
- Specific bacteria in digestive tract
-Only eating small amounts
-Removing harmful bits
-geophagy
-Pademelon eats the stinging tree, they will rub it in between their hands to remove the harmful needles on it
What type of rock makes up the majority of the Atherton Tablelands?
Granite
Which introduced mammalian species has the most detrimental impact on our vertebrate wildlife?
Cat
What type of animal is classified as Prototherian? Name two species
monotremes or egg laying mammal
Platypus and echidna
When is eastern grey kangaroo breeding season?
they have no breeding season, they are continuous breeders. kangaroos can have up to four joey at separate stages at a time. They produce different types of milk for joeys at different stages.
What marsupial has the shortest gestation time? How long?
Bandicoots, 11- 12.5 days
When was the carboniferous period? What happened during this period?
359-299 million years ago. Pangea. Coal deposits we used today formed during this time
What is one effect of climate change that marsupials experience?
-increased intensity of natural disasters (cyclones, fires, drought)
-food scarcity
what types of snakes are dangerous? what's the difference between them?
elapidae- front fanged
colubridae- rear fanged
why are microbiotherians the evolutionary link? name a species in this order
they have characteristics of both American and Australian marsupials
monito del monte
How does the metabolism of a marsupial compare to that of a mammal
Marsupials have a slower metabolism (about 2/3 slower)
Name two types of volcanoes and how they form
Shield volcano: lava flows from the volcano over a long period of time, causing a dome that is less steep.
Cindercone volcano: gas rapidly expands causing an explosion. Steep cone
What is fragmentation? Name 5 effects of it
Fragmentation is when forest is separated into small patches of land that are disconnected from one another.
-initial exclusion
-crowding effect
-area effect
-edge effect
-barriers and isolation
Name three invasive and non-invasive methods used to study mammals
Invasive
-Sticky traps
-Traps
-Bucket trap
Non-Invasive
-Trail cameras
-Hair traps
-Thermal cameras
-Bird-watching tent
What orders of marsupials, extinct or extant have been found in the Americas?
-Sparassodonta (EXTINCT)
-Argyrolagida (EXTINCT)
-Groeberida (EXTINCT)
-Didelphimorhpia (EXTANT)
-Paucituberculata (EXTANT)
-Microbiotheria (only AMERICAN species is EXTANT)
What are the naivete levels?
an animal's response to a threat (introduced)
1. no response
2. response, but not a suitable response
3. correct response to threat but not enough
What happened during the PT and KT events?
Cretaceous Tertiary- mass extinction of dinosaurs due to meteor strike, creating the Gulf of Mexico
Permian Triassic- Largest extinction event in earth's history
Name a conventional control method and biological control method
conventional
-judas goat
-poisoning
-fencing off areas
biological
-sterilization
-gene editing
-diseases and viruses
Describe or draw the reproductive system of a female kangaroo
-2 uteri, 3 vaginas
-urine, feces, and birth all come from cloaca
Name all marsupial orders and whether they are extant or extinct
-Sparassodonta EXTINCT (S. America)
-Argyrolagida EXTINCT (S. America)
-Groeberida EXTINCT (S. America)
-Yalkaparidontia EXTINCT
-Paucituberculata EXTANT
-Didelphimorphia EXTANT
-Microbiotheria EXTANT
-Notoryctemorphia EXTANT
-Dasyuromorphia EXTANT
-Peremelemorhpia EXTANT
-Diprotodontia EXTANT
What order of marsupials have sperm that travel in paris?
Paucituberculata- shrew opposums
Didelphimorphia- Opposums
Draw or describe the formation of the Atherton Tablelands
Hodgkin's Basin formation
Basin was squeezed due to tectonic plate movement, mountains of metamorphic rock formed
Intrusive volcanic activity
-slowly cooling magma- crystalized, hard
-quickly cooling magma- soft, riverbeds formed here
Doming and fracturing- Queensland Trough
-Mountains moved West, forming costal plains
-Granite mountains left from erosion
Name two species of marsupials that are endangered
Northern Quoll
Yellow Bellied Glider
What order is known for having bad eyesight and large claws for digging?
notoryctomorphia (EXTANT)
-marsupial moles