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Biology > Multi Cellular > Flashcards

Multi Cellular Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Definition of a food chain

A

The sequence of how animals gain their food.

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2
Q

Definition of the arrows in a food chain/web

A

Energy flow

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3
Q

Definition of a food web

A

Interlinking food chain

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4
Q

Definition of a herbivore

A

Animal that feeds only on plants

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5
Q

Examples of a herbivore

A

Deers, cows, horses (most farm animals)

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6
Q

Definition of an omnivore

A

Animal that eats a variety of foods

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7
Q

Examples of an omnivore

A

Monkeys, bears, birds and humans

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8
Q

Definition of a carnivore

A

Animal that feeds on other animals

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9
Q

Example of a carnivore

A

Lions, tigers, sharks and foxes

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10
Q

Why are two eyes needed to judge distance

A

The image formed in the left eye is slightly different to the image formed in the right eye and the brain puts them together to form a 3D image.

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11
Q

What is the pupil

A

A hole in the middle of the iris

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12
Q

What does the pupil do

A

Lets light into the back of the eye

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13
Q

What is the cornea

A

A transparent layer that is at the front of the eye

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14
Q

What does the cornea do

A

Allows light to enter and begins to bring it into focus

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15
Q

What is the iris

A

Coloured part of the eye

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16
Q

What does the iris do

A

Controls the amount of light entering the eye

17
Q

What is the lens

A

Flexible biconvex structure behind the iris

18
Q

What does the lens do

A

Focuses light on the retina

19
Q

What is the retina

A

Light sensitive area containing receptors

20
Q

What does the retina do

A

Converts light into electrical impulses

21
Q

What is the blind spot

A

Point where receptors are absent and fibres from retina enter the optic nerve

22
Q

Give two functions of the ear

A

Hearing and balance

23
Q

What does the optic nerve do

A

Carries nerve impulses from the retina to the brain

24
Q

What is the auditory canal

A

An air filled tube, the bit earwax is in

25
Q

What does the auditory canal do

A

Directs sound waves to eardrum

26
Q

What is the eardrum

A

Thin membrane stretched completely across the auditory canal

27
Q

What does the eardrum do

A

Vibrates with sound waves which it passes on to the middle ear bone

28
Q

What is the middle ear bones

A

Bone behind ear drum

29
Q

What does the middle ear bones do

A

Amplify and transmit sound vibrations from ear drum to oval window

30
Q

What is the oval window

A

Thin membrane behind ear drum

31
Q

What does the oval window do

A

Transmits sound vibrations into liquid filled inner ear

Biology (1 decks)

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