A reaction to a stimulus.

A plant’s growth response toward or away from a stimulus

The way a plant grows or bends in response to light

Occurs when the plant moves toward or in the direction of a stimulus

Occurs when a plant moves away from or against a stimulus

A change in the internal (inside) environment of an organism that causes a response.

A change in the external (outside) environment of an organism that causes a response.

The pressure of water against the cell wall of a plant cell; helps give shape and stiffness to plant stems and leaves.

A behavior that is inherited rather than learned

Development of new behaviors through experience, practice, or teaching.

The response of an animal when it feels threatened; it prepares to either attack or run away.

An organism’s ability to maintain steady, internal conditions even when outside conditions change. A state of internal balance.

Which situation best describes the act of maintaining homeostasis?

What type of stimuli originate in the environment around an organism?

Hunger, thirst, fever or vomiting are what type of stimuli?

An example of an internal stimuli would be...

An example of an external stimulus would be...

Animals eat food and plants use sunlight, both are examples of obtaining what?

Plants, animals and microorganisms constitute ___________ components

Check all that apply. Which of the following are examples of an organism maintaining homeostasis?

A plant vacuole does not have enough water stored in it so it begins to shrink. What kind of stimuli is this?

The presence of food causes the dog to drool. What kind of stimuli is the food?

what type of tropism is occurring here?

what type of tropism is occurring here?

what type of tropism is occurring here?

Which of the following is an example of Dormancy?

Which plant would be stiff and rigid?

Which plant would be wilted or limp?

Which plant would be stiff and rigid?

Plants following the sun exhibit (show)

What is the function of the plant organelle called the vacuole?

Almost all energy on Earth first comes from the ___________.

Most plants, algae, and some bacteria make their own food using light energy from the sun, in a process called ______________________.

The force of water molecules against the cell wall that allows plants to stand up straight...

By watering this plant, the ______________________ would increase, allowing the plant to stay upright again.

These trees are growing upwards against the pull of _________.

The lungs are responsible for the force needed for blood to move throughout the body.

Which force is responsible for this sprout emerging from the seed?

The system that forces blood to move through out the body is called...

Which organ in your body is responsible for making blood pump through your blood vessels?