Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
48 Cards in this Set
- Front
- Back
|
Do frogs have teeth?
|
Yes; two small "vomerine teeth" to trap struggling insects before swallowing
|
|
|
Describe a frog's legs.
|
Strong hind legs for jumping and swimming.
|
|
|
What are animal-like protists called? What are they like?
|
Protozoa; consumers, no chlorophyll; move by cilia, flagella, false feet, and some don't move at all
|
|
|
What are plant-like protists called? What are they like?
|
Algae; chlorophyll, six main groups
|
|
|
What are the types of protists?
|
Foraminiferuns, Radiolarians, Volvox, stentors
|
|
|
What is a frog young like?
|
Tadpoles; live in water, feed on plants, breather with gills, have tails and no legs
|
|
|
What is the purpose of dissection?
|
1. Investigates structure of organisms 2. Relates structure to function
3. Reveals adaptations and evolution |
|
|
anterior
|
front
|
|
|
posterior
|
rear
|
|
|
ventral
|
belly
|
|
|
dorsal
|
back
|
|
|
What does "dissect" mean?
|
to cut or take apart
|
|
|
What is scientific dissection?
|
Orderly investigation of structure and function
|
|
|
longitudinal incision
|
up and down cut
|
|
|
transverse incision
|
across cut; side to side cut
|
|
|
What are scissors and how are they used in dissection?
|
Small, sharply pointed; used for incisions
|
|
|
What is a scalpel and how is it used in dissection?
|
blade; used for incisions and trimming
|
|
|
What are forceps and how are they used in dissection?
|
Tweezers; used for grasping and lifting
|
|
|
What is a probe and how is it used it used in dissection?
|
A stick-like object; used for poking, lifting, exploring
|
|
|
What is an earthworm's function?
|
Tunnels into and breaks down soil, aerating and enriching it
|
|
|
What is the phylum of earthworms?
|
annelids
|
|
|
How does an earthworm move?
|
Contracts and relaxes muscles in each segment
|
|
|
What is the function of setae?
|
Anchor each segment to ground
|
|
|
How many setae are on each segment of an earthworm's body?
|
4
|
|
|
What does an earthworm eat?
|
Decaying leaves and soil
|
|
|
Are frogs invertebrates or vertebrates?
|
Vertebrates
|
|
|
What class do frogs belong to?
|
Amphibians; one of two orders (salamanders is the other order)
|
|
|
What kind of blood do frogs have? Cold or warm?
|
Cold
|
|
|
What kind of skin do frogs have?
|
Smooth, moist; no scales
|
|
|
What kind of skin do toads have?
|
Dry bumpy skin
|
|
|
Where do frogs live?
|
On or near water
|
|
|
Where do toads live?
|
Dry land
|
|
|
How do frogs reproduce?
|
External fertilization of eggs from female
|
|
|
How long does it take for a tadpole to become an adult?
|
A few weeks to a few years
|
|
|
What are adult frogs like?
|
Lungs, legs, no tail
|
|
|
Where do frogs hibernate?
|
Usually underwater in soft mud; sometimes on land under stones or logs
|
|
|
What is the significance of a frog's skin?
|
Plantlike is viewed from above; pale to look like sky from below
|
|
|
Why do a frog's eyes protrude?
|
Sight when partially submerged
|
|
|
What kind of respiration does a frog have?
|
Has lungs, but also has blood vessels in skin so as to absorb oxygen from the water when submerged; can stay under for longer periods of time
|
|
|
What is a frog's tongue like?
|
Attached at front; flips forward, stretches, flips backward to esophagus
|
|
|
What is important about a frog's backbone?
|
Fused vertebrae in lower backbone to preent injuries from shock of landing
|
|
|
What is a frog's heart like?
|
3 chambers
|
|
|
What does a frog's liver protect?
|
Heart and lungs
|
|
|
What is a frog's digestive system?
|
Gullet and esophagus lead to stomach and intestines; pancreas and gallbladder; kidneys remove nitrogen wates and make urine; urine and solid waster removed by cloaca (sewer) in pelvis; much like human's digestive system
|
|
|
How does a frog prepare for hibernation?
|
"Fat bodies" develop
|
|
|
How do frogs reproduce (in detail)?
|
Females produce jelly-like eggs from ovaries; males have testes to produce sperm; both are released into water through cloaca
|
|
|
Where do protists live?
|
Moist surroundings; rotting logs, soil, bodies of other organisms, oceans, ponds, swamps
|
|
|
In what ways do protists move?
|
Cilia, flagella, false feet
|
