4Q S3 Tropisms,Plants &Review

Asexual reproduction in organisms produce offspring that are______________

• different from the parent plant
• identical to the parent plant.
• highly charged organism
• not like the parent plant.

Which of the following is an organism’s reaction to a change in its surroundings?

• response 
• distraction
• stimulus
• development

 A stimulus is ___________

• a change in an organisms surroundings.
•  process in which organisms grow larger.
• a reaction to a change in surroundings
• the result of sexual reproduction.

Which of the following responses is a plant growing toward or leaning toward light?

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

Plant’s roots grow down, anchoring it into the soil. To what stimulus is the plant responding?

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

Compared to plants, fungi are organisms that cannot –

• grow in large amounts.
• make their own food
• cause disease in other organisms
• be used in helpful ways.

Which of the following responses is a plant growing toward or leaning toward touch?

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

A plant’s roots grow thicker near the stream than away from the stream.  To what stimulus is the plant responding? 

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

What term refers to a plant growing or moving away from a stimulus?

• Touch
• Tropism
• Dormancy
• Development

A vine plant brushes against a fence and wraps itself around the fence.  To what stimulus is the plant responding? 

• phototropism
• hydrotropism
• thigmotropism
• gravitropism