Web of Life-Mystery 5

Why do you have to clean a fish tank but not a pond?

• We put filters in a pond

• Ponds maintain healthy carbon dioxide levels for both plants and animals

• You can't have too many producers in a pond

Waste builds up naturally in a pond.

• True

• False

The black, brown, sticky, slimy substance that builds up on the bottom of many ponds and lakes is called ___________.

• Bacteria

• Phytoplankton

• Pond muck

• Algae

Tags

NGSS.MS-LS2-3

Single-celled organisms, also known as germs are known as __________-.

• Bacteria

• Algae

• Pond muck

• Phytoplankton

Microscopic organisms that live in water are called _______.

• Bacteria

• Algae

• Pond muck

• Phytoplankton

Tags

NGSS.MS-LS2-3

Water organisms that have the ability to conduct photosynthesis are known as _________.

• Bacteria

• Pond muck

• Algae

• Phytoplankton

Tags

NGSS.MS-LS1-6

Decomposers are breaking down the waste in a pond.

• True

• False

Tags

NGSS.MS-LS2-3

What helps keep the carbon dioxide levels down in a pond?

• Animals (consumers)

• Plants (producers)

• Bacteria (decomposers)

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Plants help give oxygen and are food for animals

• True

• False

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Decomposers help give animals carbon dioxide

• True

• False

Tags

NGSS.MS-LS2-3