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Science Flash Cards 7th grade > Science flahscards week 2 > Flashcards

Science flahscards week 2 Flashcards

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Biology 101 flashcards
1
Q

What function do gills have?

A

Allows fish to breath underwater and dissolves oxygen from water and to excrete carbon dioxide.

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2
Q

What are the major groups of fishes?

A

Jawless fish,cartilaginous fish and Bony Fish.

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3
Q

What is a no to chord?

A

flexible Rod-vertebrates column.

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4
Q

what is a Nerve cord?

A

string nerve signal-spinal cord.

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5
Q

What is a Pharangeal?

A

gill suits-gills(fish)

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6
Q

What is a Vertebrates B?

A

1) backbone (vertibral column + spinal cord

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7
Q

What is a Vertebrates E?

A

2) Endoskeleton-inside Skeleton

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8
Q

What is the difference between a endoskeleton and exoskeleton?

A

Exoskeleton is inside an organism body and an exoskeleton in on the outer part of the animal.

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9
Q

What is Gradual Metamorphosis?

A

When an animal only grows in size and their appearance stays the same.

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10
Q

What is complete metamorphosis?

A

When the animal goes through all stages of their life for example a caterpillar turning into a butterfly.

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11
Q

What are bony fish?

A

vertebrate animals that have skeletons primarily composed of bone tissue.

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12
Q

What is a jawless fish?

A

A Vertebrata animal that lacks a jaw and has a Cartilage skeleton.

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13
Q

What are is a Cartilaginous fishes?

A

Chondrichthyes is a class of jawed fish that contains the cartilaginous fish or chondrichthyians, which all have skeletons primarily composed of cartilage.

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14
Q

Do toads/frogs have a tail?

A

No,Toads and frogs have no tail because they lose there tail as they grow up.

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15
Q

Do Salamanders/Newts have a tail?

A

Yes,Salamanders/Newts have a tail.

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16
Q

How do amphibians breath?

A

All amphibians have moist skin,There moist skin is how they breath.

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17
Q

What do young amphibians have?

A

Young amphibians-Water,Gills,Life style,2 chamber heart and complete metamorphosis.

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18
Q

What do Adult Amphibians have?

A

Adult Amphibians-Lungs,land,lifestyle,3 chambered heart and complete metamorphosis.

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19
Q

How many heart chambers do reptile have?

A

3 chamber heart(except alligators, they have 4 chamber heart.)

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20
Q

Are reptiles cold blooded?

A

Most reptiles are cold blood.

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21
Q

What fertilization do reptiles have?

A

internal fertilization.

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22
Q

What are the four classifications of reptiles?

A

(1.crocodiles and alligators)(2.tuataras/ Sphenodontia)
(3.lizards and snakes)
(4.Turles/Testudines)

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23
Q

How many legs do Lizards have?

A

4 legs with clawed toes.

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24
Q

How many lungs do lizards have?

A

2 lungs.

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25
Q

Are lizards carnivores?

A

most of them yes.

26
Q

Do snake have legs?

A

No

27
Q

Do snakes have eyelids or ears?

A

No,snakes do nor have either ears or eyelids.

28
Q

How do snakes hear?

A

slightly different from ours in that it connects to the jawbone, enabling them to sense vibrations.but they can only hear a portion of the sounds we hear.

29
Q

How many lungs do snake have?

A

Snakes have 1 lung.

30
Q

Are snakes and lizards environment cold or warm?

A

There environment is warm.

31
Q

Are snakes carnivores?

A

yes.

32
Q

Do turtles have a backbone?

A

Turles do have a backbone and ribs.Made of fused scales.

33
Q

Do turtles have a shell?

A

Yes tutrles do have shells.

34
Q

Can turtle reproduce there shells?

A

yes, but with proper medication and care,but it can take months or years.

35
Q

Are birds warm blooded or cold blooded?

A

Birds are warm blooded.

36
Q

Are mammals warm blooded.

A

Yes

37
Q

How many heart chambers do birds have?

A

Birds have a 4 chamber heart?

38
Q

Are birds bone strong?

A

Bird bones are hollow but they have a very hard shell so there bones don’t break easily.

39
Q

Are birds egg shells soft or a hard shell?

A

Birds eggs are hard shell.

40
Q

How do birds take care for the young?

A

they feed & protect until the young is able to fly.

41
Q

Are birds internal fertilization or external fertilization?

A

Birds are internal fertilization.

42
Q

Why do birds have hallow bones?

A

The hollow bones help birds fly.

43
Q

Do birds need air sacs?

A

Yes the air sacs are connected to the lungs so it gives the bird enough oxygen to fly.

44
Q

How do birds obtain food?

A

The use there beak to tear into there food.

45
Q

Are mammals cold blooded or warm blooded?

A

Mammals are warm blooded(Endotherms)

46
Q

How many heart chambers do mammals have?

A

Mammals have 4 chambered heart.

47
Q

How do mammals stay warm?

A

Mammals have fur and hair that keep them warm.

48
Q

whats another way mammals stay warm?

A

Mammals have fat that keep them warm.

49
Q

How do mammals care for there young?

A

they care for there young with behavior.

50
Q

Do mammals have lung diaphragm?

A

Yes,Mammals have a lung diaphragm.

51
Q

Do mammals have a brain?

A

Yes,Mammals have a complex brain(for problem solving/highly developed senses/l(large eyes, sonar,
smell sensitivity)

52
Q

How do mammals eat?

A

Incisors-cut
Canines-tear/slash
Molars-Grind

53
Q

How much do mammals eat?

A

Mammals eat higher in calories.For example meat or fish.

54
Q

what are the three types of mammal groups?

A

Monotreme’s , Marsupials and Placental mammals.

55
Q

Why are the mammals groups important?

A

They can lay eggs,eat ants and they can make milk.

56
Q

What are Endotherms?

A

Endotherms use internally generated heat to maintain body temperature.

57
Q

What are ectotherms?

A

Ectotherms depend mainly on external heat sources, and their body temperature changes with the temperature of the environment.

58
Q

What are placential mammals?

A

therian mammals in which a placenta develops during pregnancy.

59
Q

What are Monotreme Mammals?

A

They are the only group of living mammals that lay eggs, rather than bearing live young.

60
Q

What are Marsupial Mammals?

A

A marsupial is a mammal that raises its newborn offspring inside an external pouch at the front or underside of their bodies.

61
Q

How do mammals produce milk?

A

The breast produces milk/mammany gland.

Science Flash Cards 7th grade (8 decks)

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