B.4 - Chat GPT

Question 1

What are the 3 main layers of a leaf?

Answer 1

Upper epidermis, mesophyll, lower epidermis.

Question 2

Function of upper epidermis in plants?

Answer 2

Transparent to let light through; secretes waxy cuticle.

Question 3

Function of mesophyll?

Answer 3

Palisade (photosynthesis) and spongy mesophyll (gas exchange).

Question 4

What problem do leaky valves cause?

Answer 4

Heart pumps blood less efficiently.

Question 5

How long do biological valves last?

Answer 5

About 12 years.

Question 6

What are mechanical valves made of?

Answer 6

Titanium or polymers.

Question 7

Disadvantages of stents?

Answer 7

Risk of blood clots, stroke; need blood thinners.

Question 8

What changes happen during inhalation?

Answer 8

Diaphragm flattens, volume increases, pressure decreases, air in.

Question 9

What changes happen during exhalation?

Answer 9

Diaphragm domes, volume decreases, pressure increases, air out.

Question 10

Xylem function?

Answer 10

Transport water and minerals upward; dead cells.

Question 11

Phloem function?

Answer 11

Transport sugars (food); living cells.

Question 12

4 factors affecting transpiration?

Answer 12

Temperature, light, humidity, air movement.

Question 13

Plant adaptations to reduce water loss?

Answer 13

Spines, fewer stomata, waxy cuticle.