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Questions and Answers
Which type of tissue is responsible for carrying messages in the human body?
Which type of tissue is responsible for carrying messages in the human body?
- Connective Tissue
- Epithelial Tissue
- Nervous Tissue (correct)
- Muscle Tissue
Animal tissues generally consist of dead cells.
Animal tissues generally consist of dead cells.
False (B)
What is the primary function of muscle tissue?
What is the primary function of muscle tissue?
Movement
Plants utilize ______ tissues to transport food and water.
Plants utilize ______ tissues to transport food and water.
Match the type of tissue with its primary function:
Match the type of tissue with its primary function:
In which type of plant tissue does cell division occur throughout the plant's life?
In which type of plant tissue does cell division occur throughout the plant's life?
Plants can move freely in search of resources.
Plants can move freely in search of resources.
What type of tissue primarily makes up supportive structures in plants?
What type of tissue primarily makes up supportive structures in plants?
Animal tissues consume ______ energy compared to plant tissues.
Animal tissues consume ______ energy compared to plant tissues.
Which of the following is NOT a type of epithelial tissue?
Which of the following is NOT a type of epithelial tissue?
All muscle tissues in the human body are striated.
All muscle tissues in the human body are striated.
What is the main function of nervous tissue?
What is the main function of nervous tissue?
Xylem tissue is made up of __________ elements.
Xylem tissue is made up of __________ elements.
Match the following types of connective tissues with their functions:
Match the following types of connective tissues with their functions:
Which type of simple plant tissue is characterized by thickened cell walls?
Which type of simple plant tissue is characterized by thickened cell walls?
Phloem is considered a simple tissue.
Phloem is considered a simple tissue.
Identify the three types of muscle tissues.
Identify the three types of muscle tissues.
What types of meristematic tissue are present in plants?
What types of meristematic tissue are present in plants?
Meristematic tissue is responsible for the growth and differentiation of new plant cells.
Meristematic tissue is responsible for the growth and differentiation of new plant cells.
What is the utility of tissues in multicellular organisms?
What is the utility of tissues in multicellular organisms?
In plants, new cells produced by meristem are initially like those of the ______ itself.
In plants, new cells produced by meristem are initially like those of the ______ itself.
Which type of tissue serves as a barrier and is involved in absorption and secretion?
Which type of tissue serves as a barrier and is involved in absorption and secretion?
Match the following types of tissues with their primary functions:
Match the following types of tissues with their primary functions:
Roots of plants stop growing permanently once they are cut.
Roots of plants stop growing permanently once they are cut.
What happens to the tips of roots in jar 2 after being cut?
What happens to the tips of roots in jar 2 after being cut?
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Study Notes
Types of Plant Tissues
- Two main types: meristematic and permanent tissues.
- Meristematic tissue is found in growing regions and is capable of division.
- Permanent tissues originate from meristematic tissue after it loses dividing ability.
- Permanent tissues are classified as:
- Simple Tissues: Parenchyma, Collenchyma, Sclerenchyma.
- Complex Tissues: Xylem and Phloem.
Types of Animal Tissues
- Four categories: epithelial, connective, muscular, and nervous tissue.
- Epithelial tissue is classified based on shape and function:
- Squamous, Cuboidal, Columnar, Ciliated, Glandular.
- Connective tissues include:
- Areolar, Adipose, Bone, Tendon, Ligament, Cartilage, Blood.
- Muscle tissue can be:
- Striated (skeletal), Unstriated (smooth), Cardiac (heart).
- Nervous tissue consists of neurons that transmit impulses.
Differences between Plants and Animals
- Living organisms are composed of cells; unicellular organisms have single cells performing all basic functions.
- Plant cells generally do not move and have a large amount of supportive tissue with many dead cells.
- Animals are mobile, requiring more energy, with specialized cells for efficient functions.
- Muscle cells facilitate movement, nerve cells relay messages, and blood transports nutrients and waste.
- Plant growth is localized to specific regions, while animal growth is not constrained.
Meristematic Tissue
- Key to plant growth, located at specific points such as:
- Apical (tips of roots and shoots),
- Lateral (sides of stems),
- Intercalary (nodes between leaves).
- Initial cells produced by meristem are initially similar to meristematic cells, gradually differentiating into various tissue types.
Functions of Tissues
- Tissues allow for specialization of functions in multicellular organisms.
- Vascular tissues in plants (xylem and phloem) are essential for the transportation of food, water, oxygen, and waste.
- In plants, certain tissues continue to divide throughout the organism's life, contributing to growth and development.
Plant Growth Observations
- Roots can continue growing even after removal from the plant due to active meristematic regions.
- Growth may stop in certain conditions (e.g., jar 2) due to lack of nutrients or space, affecting the meristem's activity.
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