Unit 3: Plant Systems and Homeostasis Review

What is the term for a change in the environment outside of the organism?

• Tropism

• External stimulus

• Feedback mechanism

• Internal stimulus

Which part of a plant is responsible for the transportation of nutrients through the plant?

• Xylem

• Phloem

• Root system

• Shoot system

What is the term for the process of water moving through plants and evaporating from the leaves and stems into the atmosphere?

• Phototropism

• Transpiration

• Turgor pressure

• Geotropism

What is the term for the growth that happens in organisms in response to gravity?

• Geotropism

• Homeostasis

• Tropism

• Phototropism

What is the term for the above-ground part of a plant that includes the organs such as leaves, buds, stems, flowers, and fruits?

• Xylem

• Phloem

• Root system

• Shoot system

What is homeostasis?

• The organism's ability to fight off infection/disease

• the organisms ability to maintain a balance around a controlled condition

• the organisms ability to get sick

• the organisms ability to change temperature

what is stimuli?

• Changes in the environment that can evoke a response in an organism
• a change in an organism that causes the environment to react

• a change that occurs in all organisms when they reach maturity

• A type of fruit

What is external stimuli?

• a stimulus that comes from inside the organisms

• a stimulus that comes from the environment

What are some examples of external stimuli found in the environment? (Select all that apply)

• predators

• upset stomach

• dehydration

• temperature

What is phototropism?

• The ability to take a photo

• A plant's ability to grow in the dark

• When a plant grows towards the sunlight