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P&A - Reg. & Resp.
Plants and Animals Regulation and Response Vocab
Question | Answer |
---|---|
What is the largest organ in your body? | Skin |
What system provides the first line of defense against infection? | Integumentary |
What is a tropism? | A plant's response to a stimulus. |
What is a stimulus? | Something that evokes a specific reaction. |
What is your endocrine system? | A collection of glands that produce hormones. |
What is a hormone? | A chemical signal created in one area of the body that evokes a reaction in another area of the body. |
What do enzymes such as the ones found in your saliva do? | Accelerates chemical reactions. |
What is thigmotropism? | Plant's growing or bending in response to touch. |
What is phototropism? | Plant's growing or bending towards light. |
What is geotropism? | The response of a plant to gravity in which the roots grow towards the center of earth and the shoots grow towards the sky. |
What are feedback mechanisms? | Process that uses conditions of one component to regulate the function of another. |
What is hydrotropism? | Plant's root growth towards water. |
What type of signals are transmitted through the nervous system? | Electrical signals. |