Energy and Matter in Ecosystems

What is an ecosystem?

• a man-made place where an organism grows and lives

• a natural place where an organism grows and lives

• a community of only living factors that interact and work together

• a community of living and nonliving factors that live and work together

What is a habitat?

• a man-made place where an organism grows and lives

• a natural place where an organism grows and lives

• a community of only living factors that interact and work together

• a community of living and nonliving factors that live and work together

TRUE OR FALSE: An ecosystems is can have many habitats.

• TRUE

• FALSE

Biotic factors are ---- or ---- parts of an ecosystem.

(a)  

Tags

NGSS.MS-LS2-4

Abiotic factors are ---- or ----- parts of an ecosystem.

(a)  

Tags

NGSS.MS-LS2-3

Is a chicken nugget a biotic or abiotic factor? Explain how you know a chicken nugget is that type of factor.

Tags

NGSS.MS-LS2-3

Producers...

• make their own food from sunlight

• are also known as heterotrophs

• are also known as autotrophs

• return nutrients back to the soil

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Decomposers...

• break down waste to gain energy

• break down dead organisms to gain energy

• are also known as autotrophs

• return nutrients back to the soil

Tags

NGSS.MS-LS2-3

TRUE OR FALSE: The further you go up in a food chain or web, the less energy is passed over.

• TRUE

• FALSE

Tags

NGSS.MS-LS2-3

What is the formula for Photosynthesis?

(_______+_______+______ = ________+_______)

Tags

NGSS.MS-LS1-6