Levels Of Organization Question Preview (ID: 47728)
Levels Of Organization.
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The smallest units of life that make up all living things are -
a) tissues
b) cells
c) organs
d) organ system
The stomach, small intestine, and large intestine are all organs. When they work together to process food, they form a functional unit known as -
a) an organism
b) a system
c) a tissue
d) a cell
A collection of cells with similar function forms -
a) an organ
b) a tissue
c) an organ system
d) an organism
Which of the following correctly orders the organization in plants and animals from least to most complex?
a) Organisms ➔ Organ Systems ➔ Organs ➔Tissues ➔ Cells
b) Tissues ➔ Cells ➔ Organs ➔ Organisms ➔ Organ Systems
c) Organs ➔ Tissues ➔ Organisms ➔ Cells ➔ Organ Systems
d) Cells ➔ Tissues ➔ Organs ➔ Organ Systems ➔ Organisms
What is considered to be the lowest level of organization in a multicellular organism?
a) Cell
b) Organ System
c) Tissue
d) Organ
Water moves inside plants using xylem, a structure made up of a collection of cells that form the tube-like xylem. Xylem is classified as -
a) A tissue
b) An organ
c) An organ system
d) An organism
In humans, the heart is an organ that pumps blood through blood vessels. The combination of the heart and blood vessels is classified as –
a) a tissue
b) an organ
c) an organ system
d) an organism
The root and shoot systems in plants work together to form a more complex organization known as -
a) a cell
b) an organism
c) a tissue
d) an organ
Group of cells that work together-
a) tissue
b) cell
c) organism
d) organ
A living being -
a) tissue
b) cell
c) organism
d) organ
Different tissues that perform a task-
a) tissue
b) organism
c) cell
d) organ
Sieve-tube cells and companion cells work together to transport sugar and nutrients inside plants. Together, sieve-tube cells and companion cells form -
a) a tissue.
b) an organ.
c) an organ system.
d) an organsim.
In the sequence from simplest to most complex level of organization, which level is one level more complex than cells?
a) Cells
b) Tissues
c) Organ Systems
d) Organisms
Tissues working together to perform specialized functions are called -
a) Organ
b) organism
c) Cell
d) Organ System
The smallest units of life in plants are –
a) Tissues
b) Organs
c) Cells
d) Organ Systems
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