Plant

The labeled structure are classified as which of the following?

• Cells, because each structure consist of only one type of cell.

• Tissue, because each structure is used for a specific function.

• Organs, because each structure functions independently of the others.

• Organisms, because these structures perform an interconnected process.

What is an internal stimulus?

• a change that occurs in the outside environment

• a change that occurs inside the organism

• grow and development

• when plant respond to sun

Benjamin placed a glass slide containing a small piece of onion under the microscope. What level of organization are seen in the microscope view?

• cell and organ

• cell and tissue

• organ and organism

• organ and organ system

Which statement best describes an organism's response to an internal stimulus?

• a plant growing toward light

• an animal running away from a sudden sound

• an organism with a fever

• an organism moving out of the sunlight

At 6 am a sunflower is facing the east, but by 6 pm the same sunflower is facing the west. the sunflower has moved because it is responding to stimulus called

• geotropism

• phototropism

• thigmotropism

• none of the above

In a plant, a leaf is at which level of organization?

• cell

• tissue

• organ

• organ system

What does the word homeostasis mean?

• respiration

• energy

• balance

• growth

A person had a fever. The fever is in response to

• external stimulus

• homeostasis

• internal stimulus

• growth

Which image represents the direction of water flow when high turgor pressure is present?

• A

• B

• C

• D

Fernando set up a lab experiment as seen in the picture. which question this lab set up most likely designed to answer?

• Does air pressure affect photosynthesis

• Does gravity affect the direction of plant growth?

• Does turgor pressure affect the absorption of water?

• Does the amount of light increases the temperature?