Chapter 16 Flashcards
(39 cards)
What are organisms that move from one place to another for food?
Animals
This definition emphasizes the mobility of animals in search of sustenance.
What are animals that cannot move themselves?
Sessile
(ex: 🪸)
Sessile animals are typically fixed in one place and do not have the ability to move from one location to another.
What are animals that can move themselves?
Motile
Motile animals exhibit self-directed movement, which is crucial for survival.
Which symmetry means you can cut it in half anywhere and are symmetrical?
Radial Symmetry (ex: 𓇼)
Radial symmetry is often found in organisms like jellyfish, allowing for multiple planes of symmetry.
Things that can be cut into only two equal parts?
Bilateral
(ex: 𓆉)
Asymmetrical organisms do not possess a symmetrical shape, which is common in certain types of sponges and other life forms.
What type of symmetry do all vertebrates exhibit?
Bilateral symmetry
(ex: 🙈)
Bilateral symmetry means that the body can be divided into equal left and right halves.
List characteristics of mammals.
♡ Milk
♡ Hair
♡ Diaphragm
♡ Warm-blooded
♡ 4-chambered hearts
These characteristics are essential for the classification of mammals in the animal kingdom.
What does homeothermic mean?
Can maintain its body temperature (warm-blooded)
Homeothermic animals have physiological mechanisms to regulate their internal temperature, regardless of external conditions.
What is an animal that lays eggs to bear young?
Oviparous
Oviparous animals reproduce by laying eggs, which develop outside the mother’s body.
What term describes animals bear live young?
Viviparous
Viviparous animals give birth to live offspring, as opposed to laying eggs.
What order does the term ‘tube teeth’ refer to?
Tubildentata
Tubulidentata is a unique dental characteristic found in aardvarks, allowing them to feed on ants and termites.
What is the largest land mammal?
Elephant 🐘
Elephants are known for their significant size and complex social structures.
What are teeth made of ivory on an elephant
Tusks (it’s the horn thingys near their trunks)
What is the order of egg-laying mammals?
Monotremata
Which animals are included in the order Monotremata?
♡ Echidna
♡ Platypus
What order is the manatee and dugong in?
Sirenia
Which order does ‘strange joints’ refer to?
Xenarthra
What does the term ‘armadillo’ mean?
Little armoured one
What is the slowest land mammal?
Ai
What animals are active at nighttime?
Nocturnal
What animals are active at daytime?
Diurnal
What the mammal whose young develop in mother’s pouches?
Marsupial
What is the marsupial’s pouch called?
Marsupium
Which is the only marsupial common outside of Australia and its surrounding islands?
Opossum
