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Biology > Levels Of Organization > Flashcards

Levels Of Organization Flashcards

1
Q

What are organelles?

A

Parts that make up a cell, such as the nucleus, ribosomes, and mitochondria.

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2
Q

What is the basic unit of life?

A

Cell.

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3
Q

What is a tissue?

A

A group of similar cells that work together on a specific task.

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4
Q

What are the four main types of tissues in humans?

A
  • Muscle Tissue
  • Nerve Tissue
  • Epithelial Tissue
  • Connective Tissue
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5
Q

What is an organ?

A

A structure made up of two or more tissues organized to carry out a particular function.

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6
Q

What forms an organ system?

A

Groups of organs with related functions.

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7
Q

What is the relationship between structure and function at each level of organization?

A

Structure is closely related to function.

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8
Q

What is the smallest unit of an element?

A

Atom.

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9
Q

What do atoms combine to form?

A

Molecules.

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10
Q

Fill in the blank: Atoms combine to form _______.

A

Molecules.

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11
Q

What is an example of a biomolecule?

A
  • Water
  • DNA
  • Carbohydrates
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12
Q

What level of organization do organelles belong to?

A

Organelle Level.

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13
Q

Name a type of muscle tissue.

A
  • Cardiac muscle
  • Skeletal muscle
  • Smooth muscle
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14
Q

What is the function of the heart?

A

Pumping blood throughout the body.

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15
Q

True or False: The structure of the lungs is designed for gas exchange.

A

True.

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16
Q

What reflects the job of a specific organ?

A

The structure of that organ.

17
Q

What is the function of epithelial tissue?

A

Lines surfaces and cavities in the body.

18
Q

Fill in the blank: The _______ cells in the small intestine absorb nutrients.

A

Epithelial.

19
Q

What is connective tissue’s primary role?

A

Support and bind other tissues.

20
Q

Name an example of connective tissue.

A
  • Tendon
  • Bone
  • Fat tissue
21
Q

What type of tissue is the brain made of?

A

Nerve Tissue.

22
Q

What is a key characteristic of muscle cells?

A

They are needed for body movement.

23
Q

What is the smallest unit of life?

A

Cell

Cells are enclosed by a membrane or cell wall and often perform specific functions in multicellular organisms.

24
Q

What are tissues?

A

Groups of cells with similar functions

Tissues are essential for the organization of cells into functional units.

25
Q

What defines an organ?

A

Two or more types of tissues that work together to complete a specific task

Examples include the heart, liver, and stomach.

26
Q

What is an organ system?

A

A group of organs that perform related functions

Organ systems work together to maintain homeostasis in an organism.

27
Q

What levels of biological organization are mentioned?

A

Cellular Level, Tissue Level, Organ Level, Organ System Level

These levels represent the hierarchy of structure in biology.

28
Q

What are the four main types of tissues?

A

Muscle, Epithelial, Connective, Nervous

Most organs contain all four tissue types.

29
Q

What is the function of the heart?

A

Pumps blood

The heart circulates blood throughout the body.

30
Q

What is the role of the lungs?

A

Bring in oxygen and eliminate carbon dioxide

The lungs are crucial for gas exchange in the respiratory system.

31
Q

What is the function of the skin?

A

Provides a barrier to protect internal structures from the external environment

The skin is the largest organ and plays a vital role in protection.

32
Q

Fill in the blank: Organs are grouped by _______ for the organ system.

A

[function]

This grouping allows for coordinated activities among organs.

33
Q

True or False: An organism has several organ systems that function independently.

A

False

Organ systems function together to maintain the overall health of the organism.

34
Q

What does the digestive system do?

A

Breaks down food and absorbs nutrients

It is essential for providing energy and nutrients to the body.

35
Q

What is the role of the submucosa in the stomach?

A

Supports the tissues and controls smooth muscle

The submucosa contains blood vessels and neurons.

Biology (2 decks)

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