Animal Groups
animal with a backbone
vertebrate
gives live birth
viviparous
This is the opening at the end of bird, amphibian, and reptile bodies that is used for waste removal and reproduction
cloaca
why is it important for birds to digest their food quickly?
they don't want the extra weight in flight
what are two easy ways to follow and ID animals in the wild
scat and tracks
90% of animals are classified as.........
invertebrates
what does ovoviviparous mean?
lays eggs but keeps the eggs inside the mothers' body
what animal has the longest gestation period?
Elephant
how do amphibians breathe (2 parts of life)
as young with gills
as adults with lungs and through their skin
why do birds preen themselves, what are they doing
it's the act of using a special oil gland to groom and maintain feathers
These are the five animal groups.
What is birds, mammals, fish, reptiles, and amphibians
list the animal groups that are ectothermic and what it means to be ectothermic
reptiles, fish, amphibians,
they rely on the environment to control their body temperature
organ used in fish to maintain buoyancy
swim bladder
A lizard's tail breaks very easily. How does this help to protect the lizard?
If a predator catches the lizard by the tail, the tail breaks off and the lizard gets away
the tail will keep twitching to distract the predator
mostly with birds how can you tell the males from the females?
males have brighter coloring, females are colored to blend in for camouflage
what is the system scientists use to classify animals?
binomial nomenclature
what are the characteristics of life?
made of cells, the ability to reproduce, growth & development, obtain and use energy, homeostasis, response to their environment, and the ability to adapt
what does the lateral line system do?
detects vibrations in the water
differences between tortoises and turtles
difference between freshwater turtles and sea turtles
turtles are in water, tortoises are only on land
turtles have webbed clawed feet, tortoises have stumpy feet
freshwater turtles can bring their heads into their shell, sea turtles cant. Sea turtles have flippers instead of feet.
almost all fish you will catch are this kind of fish
ray finned fish
Domain, kingdom, phylum, class, order, family, genus, species
what are the 3 mammal reproductive groups and what does each one do
marsupial- has pouch
placental- has placenta, fetus completely develops inside the mother
monotreme- lays eggs
what are the 4 different types of mammalian teeth and what are they used for?
molar- chewing and grinding
premolar- tearing and grinding
canine - biting and holding on to pray
incisor- biting and cutting
how do snakes smell?
they stick their tongue out and then rub it on their jacobson's organ (a chemosensory organ in the roof of the mouth of snakes that allows the "tasting" of chemicals)
how can you tell a shark from a dolphin just by looking at the fin sticking out of the water?
the shark will have 2 or 3 fins sticking out of the water including the tip of their tail, dolphin tails are flat