Organization in Plants and Animals

Which option shows the levels of organization for plants and animals in their proper hierarchical order from smallest to largest?

• A. organism, organ system, organ, tissue, cell

• B. cell, tissue, organ, organ system, organism

• C. cell, organ, organ system, tissue, organism

• D. organism, organ, organ system, tissue, cell

Which correctly describes cells, tissues, organs, and organ systems?

• The smallest unit of organization is a organism, a group of cells working together for a specific purpose is an organ, and a group of tissues working together makes up an organ system.

• The smallest unit of organization is a tissue, a group of tissues working together for a specific purpose is an organ, and a group of organ systems working together is a cell.

• The smallest unit of organization is a tissue, a group of tissues working together for a specific purpose is a cell, and a group of organ systems working together is an organ.

• The smallest unit of organization is a cell, a group of tissues working together for a specific purpose is an organ, and a group of organs working together is an organ system.

Which of the following is not an organ within the hierarchical organization of a plant?

• Stems

• Flowers

• Roots

• Petals

Why do different types of cells have different shapes and sizes?

• Different cells are specialized to perform different functions. The shape and size will form specialized tissue based on the structure of the cell.

• Cells have different sizes and shapes due to environmental conditions.

• Different sizes and shapes help provide cells with the ability to morph from one cell to another.

• Sizes and shapes are impacted by the amount of nutrition the cell has received.

______ is a group of similar cells that perform a specific funciton

• Organ

• Tissue

• Organism

• Plant

Correctly match each picture with the term

​

• cell

• 
• organ system

• 
• organism

• 
• tissue

• 
• organ

• 

A plant's ​ (a)   absorbs water and nutrients, while the ​ (b)   transports the water and nutrients.

• root system
• shoot system

What is homeostasis?

• Homeostasis is the growth and development of an organism.
• Homeostasis is the process of evolution in species.
• Homeostasis refers to the ability to adapt to external environments.
• Homeostasis is the maintenance of stable internal conditions in an organism.

Plants, like animals, are made up of cells, tissues, organs, and organ systems.

• False

• True

An​ (a)   is a group of​ (b)   that work together to perform a major function for an​ (c)   .

• organ system
• organs
• organism