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Science > Plant and animal nutrition > Flashcards

Plant and animal nutrition Flashcards

1
Q

What is photosynthesis?

A

Photosynthesis is the chemical reaction that uses light energy.

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2
Q

Photo:

A

Light

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3
Q

Synthesis:

A

Putting together

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4
Q

Expand MRS C GREN

A

Movement
Respiration
Sensitivity
Control
Growth
Reproduction
Excretion
Nutrients

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5
Q

How do plants make their own food?

A

Glucose is made when CO2 and H20 react to make O2 and glucose in the presence of chlorophyll and sunlight.

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6
Q

What does the spongy layer do in the leaf?

A

It has a lot of air spaces for gas exchange to happen.

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7
Q

What does the stoma do in the leaf?

A

It is a tiny hole that lets CO2 in.

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8
Q

What does the palisade layer do in the leaf?

A

Contains cells that do the most photosynthesis.

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9
Q

What does the vein do in the leaf?

A

Carries water into cells.

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10
Q

What does the waxy layer do in the leaf?

A

Stops the cells from drying out.

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11
Q

What does the upper and lower epidermas do in the leaf?

A

Protects the leaf

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12
Q

What is the function of the roots?

A

Roots take in water and minerals and transport it to all the other parts of the plant.

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13
Q

What does it mean when we say animals are hetrotrophs.

A

It means they depend on plants for their food.

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14
Q

What does it mean when we say plants are autotrophs?

A

It means they make their own food by using the process of photosynthesis.

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15
Q

What do cabohydrates do?

A

Produce energy

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16
Q

What do proteins do?

A

Growth and repair

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17
Q

What do vitamins do?

A

Helps with wound healing

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18
Q

What do minerals do?

A

Boosting energy levels

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19
Q

What do fibre do?

A

Prevents constipation

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20
Q

What do water do?

A

Hydrate the body

21
Q

What is starch made up of?

A

Glucose molecules

22
Q

What is a balanced diet?

A

A meal that contains each of the nutrients in its required amount.

23
Q

Malnutrition :

A

Its when people suffer from not having a balanced diet.

24
Q

Vitamin A

A

Deficiency disease - Loss of vision
Symptom - Poor vision

25
Q

Vitamin B

A

Deficiency disease - Beriberi
Symptom - Weak muscles

26
Q

Vitamin C

A

Deficiency disease - Scurvy
Symptom - Bleeding gums

27
Q

Vitamin D

A

Deficiency disease - Rickets
Symptom - Bones are bent

28
Q

Calcium

A

Deficiency disease - Tooth decay
Symptom - Tooth decay

29
Q

Iodine

A

Deficiency disease - Thyroids
Symptom - Gland in neck

30
Q

Iron

A

Deficiency disease - Anamia
Symptom - Weakness

31
Q

What are the 2 types of roots

A

Dicots - Plants with tap roots
Monocots - Grasses with fibrous roots

32
Q

What is the xylem vessel do?

A

It transports the water and minerals from the roots into the vessels.

33
Q

What does digestion involve?

A

Breaking down food into smaller pieces
The mixing of food

34
Q

Mechanical digestion :

A

Teeth chew food into a soft pulp.

35
Q

Chemical digestion :

A

Contains saliva

36
Q

What is the esophagus?

A

It is a tube that takes food from the throat into the stomach.
It moves food by waves of muscle contraction called Peristalsis.

37
Q

What is the stomach?

A

The stomach is a J-shaped organ that digests food.

38
Q

What is the small intestine?

A

After food is broken down into small molecules it is then absorbed through the walls of the small intestine.

39
Q

What is the large intestine?

A

Food that can’t be digested goes through the large intestine.

40
Q

What is the rectum?

A

Holds the area for the stool.

41
Q

What is the anus?

A

Lets you know what contents are exiting out of the body.

42
Q

What is the liver?

A

The liver makes bile that is then stored in the gall bladder and flows into the small intestine.

43
Q

What is the pancreas?

A

The pancreas makes the pancreatic juice.

44
Q

Incissors :

A

Bites of small pieces of food.

45
Q

Canines :

A

Used for tearing food.

46
Q

Pre - molars :

A

Used for crushing and grinding food.

47
Q

Molars :

A

Used for crushing and grinding food.

48
Q

What are enzymes?

A

They are biological catalysts and they speed up digestion.

Science (6 decks)

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