Plant Adaptations External Features

Plant Adaptations

Started from the roots, now we here

Multiple Choice

The saying goes "Stop and Smell the Roses" What is one reason why some plants have scents?

• to shed extra water off the plant

• to attract animals to spread its pollen

• to conserve water during dry periods

• to take in nutrients from the soil

Open Ended

What do you think that plants need protection and defense from?

Multiple Choice

In vascular plants, the xylem brings the water up to the leaves and the phloem brings the nutrient down to the roots

• True

• False

Open Ended

Why would the phloem brings the nutrients to the roots?

Multiple Choice

Some grasses grow in hot dry areas. Why might they grow deep roots?

• to protect the plant from sun damage

• to reach water down below

• to take in as much light as possible

• to spread seeds to new places

Multiple Choice

Why might some plants that grow on the shady rain forest floor have large leaves?

• to stay safe from predators

• to attract different animals

• to survive harsh winters with heavy snowfall

• to take in as much sunlight as possible

Multiple Choice

What is the role of auxin that causes a plant to bend towards light?

• The concentration of auxin in the plant increases when there is light.

• Auxin causes uniform growth on every stem.

• Auxin causes the increase in the number of plant cells.

• Auxin causes cells that are on the dark side to grow faster.

Open Ended

What could happen to the plant if the hormones are blocked or not produced?