What are the palisade leaf cells adapted for?

What help the Palisade leaf cells packed with?

Where on the leaf are the palisade leaf cells and why?

Why are the palisade leaf cells tall?

Why are the palisade leaf cells thin?

What are guard cells adapted for?

What happens to the guard cells when the plant has lots of water?

What happens when the guard cells are plump?

What happens to the guard cells when the plant is short of water?

What happens to the guard cells at night and why?

How are guard cells adapted for their function?

What are red blood cells adapted for?

Give 2 reasons why red blood cells are biconcaved?

What pigment are red blood cells packed with?

Why do red blood cells have no nucleus?

What are sperm and egg cells specialised for?

What are the main functions of the egg?

What happens to the egg's membrane when a sperm fuses with the egg and why?

What is the function of the sperm?

How is the sperm adapted to do it's job?

Why does the sperm carry a lot of enzymes?