Ecosystem Levels of Organization

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

• a.  Organism, cell, tissue, organ, organ system
• a.  Organ system, organ, tissue, cell, organism
• a.  Cell, tissue, organ, organ system, organism
• a.  Cell, organ, tissue, organ, organism, organ system

Anything that can perform life processes by itself is a/an

• cell
• organ
• organism
• organ system

The smallest level of organization of life in an organism

• tissue
• cell
• organ
• organ system

The cell is the building block of all living things.

• True
• False

Which is an example of an organism?

• a beetle
• a lake
• a rock
• a shell

Which list does NOT include biotic factors?

• elephants, zebras, acacia trees, bushes, bacteria

• rocks, water, temperature, sun, clouds

• algae, seaweed, fungi

• decayed zebra, bird eggs, poo from a kangaroo

Which describes the components of a Coral Reef Ecosystem?

• The Clown fish and it's eggs.

• The organisms, water, rocks and sunlight in the Coral Reef.

• The sand and water that make up the sea floor.

• The colorful fish, barracuda, fish eggs, and other ocean animals.

Which are NOT biotic factors?

• Minerals and nutrients

• Decayed tree and decayed bird

• Protista and Bacteria

• Lions and giraffes.

The wetlands of Florida is the ______________ of the alligator.

• community

• population

• interaction

• habitat

Which represents community level of organization?

• lions, zebras, giraffes, trees

• lions

• lions, zebras, sunlight, trees, rocks

• lions and their cubs