Energy in the Ecosystem

One path that energy could take through an ecosystem is called a ________________________.

• Food Web

• Food Chain

• Abiotic Factors

• Biotic Factors

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the primary source of energy for most ecosystems?

• Wind

• Geothermal heat

• The Sun

• Decomposers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is a food chain?

• A complex network of interconnected food chains

• A linear sequence of organisms through which nutrients and energy pass

• A group of organisms that produce their own food

• A pyramid showing energy flow

Tags

NGSS.MS-LS2-3

Which of the following is a producer?

• Rabbit

• Hawk

• Plant

• Snake

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What does a food web provide?

• A) A less accurate representation of energy flow

• B) A single food source for each organism

• C) A more accurate representation of energy flow

• D) A linear sequence of organisms

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the role of primary consumers in a food chain?

• They produce their own food

• They consume producers

• They eat secondary consumers

• They break down dead material

Tags

NGSS.MS-LS2-2

What is the main implication of the 10% rule?

• It allows unlimited trophic levels

• It limits the number of trophic levels

• It increases energy efficiency

• It has no effect

Tags

NGSS.MS-LS2-3

What is the role of producers in an energy pyramid?

• They consume energy

• They convert sunlight into food

• They are at the top of the pyramid

• They have the least energy

Tags

NGSS.MS-LS2-3

In the example given, if a plant captures 1000 kcal of energy, how much energy does a carnivore gain from eating a herbivore?

• 1000 kcal

• 100 kcal

• 10 kcal

• 1 kcal

Tags

NGSS.MS-LS2-3

What is the main focus of the concepts mentioned in the text?

• Climate change

• Ecosystems and energy flow

• Human anatomy

• Space exploration

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4