Plant Structures for Protection

What is a thorn?

• A special kind of stem or branch

• A special kind of leaf

• A special kind of root

• Small, sharp things that grow all over the plant

What is a spine?

• A special kind of stem or branch

• A special kind of leaf

• A special kind of root

• Small, sharp things that grow all over the plant

What is a prickle?

• A special kind of stem or branch

• A special kind of leaf

• A special kind of root

• Small, sharp things that grow all over the plant

Tags

NGSS.MS-LS4-2

Why do some leaves have hairs on them?

• To protect them from the sun

• To protect them from losing too much water

• To protect them from the rain

• To protect them from humans

Tags

NGSS.MS-LS2-1

How do waxy leaves help the plant? (2 answers)

• So bugs will stick to it

• It helps prevent water loss

• It is poisonous

• It makes it difficult for bugs to eat

Why do plants have spines, thorns and prickles?

• So that they look cool

• To prevent water loss

• Modified branches and leaves

• To keep animals from eating them

How does bark help a plant? (2 answers)

• It creates poison

• It helps protect it against fire

• It helps protect it against insects and animals

• It helps the plant grow

What do we call the sticky substance some plants are covered in?

• Raisin

• Reason

• Resin

• Risen

The black walnut tree poisons the soil around it so that no other plants can grow near it. Why is this?

• It wants all of the nutrients and water in the soil for itself

• To keep animals away

• Because the soil is bad

• It helps attract animals

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What does resin do?

• It traps the insects crawling on it and kills them

• It poisons the soil around the plant

• It gets hard and turns into prickles

• It keeps birds away