Final Exam!! Flashcards
What does it mean when an animal has become habituated to a human?
It is accustomed to people & is not afraid of them being nearby
Name the traits of a mammal.
Vertebrae, endothermic, breath air, nurse young with milk, have hair
What do we call the male leader of a pack of dogs?
Alpha Male
What is a recessive gene?
A gene that does not show up in a person’s features. It is masked by the dominant gene.
How can you tell the difference between a brown bear & a black bear?
A brown bear has a large hump on its shoulders & is bigger than a black bear
Which animal is considered to be a big risk for rabies in the US?
raccoons
What is an apex predator?
An animal that other animals do not consider their prey.
Which cat is the fastest runner?
Cheetah
Name the 3 wildcats that live in North America.
Bobcat, cougar, Canada lynx
What very frightening animals is a mongoose able to conquer?
Snakes
What do female marsupials have that other female animals do not?
a pouch
Where do most marsupials live?
Australia
How many species of marsupials live in North America?
One
What is the name of the marsupial seen in North America?
Virginia opossum
What feature on a primate do scientists use to classify it?
The nose
What is the difference between apes and monkeys?
Monkeys have tails. Their arms are not designed to swing in trees as are apes’ arms. Apes have larger brains and are more diverse.
What is the main feature that makes an animal a rodent?
teeth that gnaw & continue to grow throughout their lives.
Which mammals are poisonous?
shrew, solenodons and the platypus
what disease do armadillos sometimes carry?
leprosy
What does an elephant use its proboscis for?
to inhale water, spary water or dust, pick things up, break branches, scratch, move things out of its path, shake “hands” with other elephants, tear food, smell, defend itself
In what ways do mammoths reveal how the Ice Age occurred?
their stomach contents reveal that it froze quickly before food could digest. Their remains found in Siberia reveal that it was warm & temperate.
What is a hot-blooded horse?
A smaller horse built for speed. It’s not very gentle.
What is a foal?
A horse that is under a year old
What is a filly?
A female horse that is young.
What is interesting about zebras’ stripes?
they are unique to each zebra
What is a rhino’s horn made of?
Keratin, the same material found in hair & nails
How is a tapir like an elephant?
It has a proboscis
What is rumination?
when an animal chews its food, swallows it, then brings it back up to be chewed again.
Name 3 animals that are considered ruminants
cow, sheep, goats
how can camels survive in the desert, far from water for so long?
they have humps that store fat, can drink many gallons of water at once, have feet designed to provide stability on the sand, have nostrils that close during a dust storm and have ong lashes to blink out dust.
what is the most dangerous animal in Africa?
the hippo
What features do all reptiles have?
they are ectothermic, have scales & molt
What animals are in the order Squamata?
lizards & snakes
How is a tuatara different from a lizard?
the tuatara has no ear hole & loves cool weather
How do tuataras give us evidence for a worldwide flood?
their fossils are found with dinosaurs, but they are alive today. Thus, layers of rocks do not mean millions of years but rather stages of the flood.
what is the difference between a tortoise and a turtle?
a turtle spends most of its life in water; a tortoise spends its life on dry land.
what is frog called before it becomes a froglet?
tadpole
what are some special features of sauropods, like the brachiosaurus?
they were large herbivores that walked on all fours. They usually had long necks, a small head and nostrils on top close to the eyes.
What are some special features of theropods, like the tyrannosaurus rex?
they walked on two legs and had sharp teeth, fingers and toes with claws.
name some possible things that may have caused the extinction of dinosaurs.
a worldwide flood, meteors, many supervolcano eruptions close together, etc.
which two spiders in the US are considered dangerous?
black widow, brown recluse
how many eyes does a spider have?
eight
how many legs do arachnids have?
eight
what are spinnerets?
the appendages of a spider that produce silken threads
how is a harvestman different from a spider?
it has one body segment, doesn’t produce silk, can eat chunks of food and has two eyes instead of eight.
what is the telson on a scorpion?
the sharp point on the end of its tail
what is unique about the bark scorpion and where does it live?
it is the only scorpion with venom powerful enough to harm humans. It lives in the southwestern US
on what do ticks feed?
blood
what is the radula on a slug or snail?
the tongue used to scrape food into its mouth
name one parasite about which you learned.
roundworms, hookworms, guinea worm
