ECOSYSTEM

Select all the biotic factors from the list.

• Water

• Turtle

• Log Turtles are Sitting On

• Grasses

• Sun

Select all the abiotic factors from the list.

• Water

• Turtles

• Log Turtles are Sitting On

• Sun

• Grasses

The initial source of energy for all ecosystems is...

• The Sun

• Photosynthesis

• Sugar

• There is no one source

___________ Includes all of the biotic and a biotic component in a given area.

• Ecosystem

• population

• biome

• community

The measure of number of different species found within a specific area.

• biome

• biodiversity

• population

• community

Energy con not be created or destroyed. The amount of energy does not _______________.

Light energy is converted by plants to _________energy stored as ATP.

Phytoplankton produces _______of the oxygen in the atmosphere.

• half

• quarter

• zero

• 20%

Human activities impact the ecosystem.

• True

• False

• I don't know

All organisms need a source of energy to survive.

• True

• Fsalse

• I don't know