Energy Flow in Ecology

Which of the following is a 2nd level consumer?

acorn-> squirrel -> owl -> mushroom

• squirrel

• owl

• mushroom

• B

• C

• D

Tags

NGSS.MS-LS2-3

Which of the following is NOT a 1st level consumer

• grasshopper

• scorpion

• rabbit

Tags

NGSS.MS-LS2-2

An organism that obtains energy by feeding on other organism is a ---

• producer

• consumer

• decomposer

Identify the producers in the food web below

• rabbits, mice and grasshopper

• carrots, grasses, and grains

• foxes, owls and birds

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The trophic pyramid is a triangular shape because

• 90% of energy is lost to heat, movement, and survival, and only 10% of energy goes to the next level

• People see the top of the pyramid so it is important to know the keystone species.

• 10% of energy is lost to heat, movement, and survival, and only 90% of energy goes to the next level

• the top of the pyramid is the pinnacle organism of an ecosystem

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Producers obtain their energy by

• the process of hunting for prey

• the process of eating plants

• the process of photosynthesis to make their own food from sunlight

• the process of breaking down once living things

Tags

NGSS.MS-LS1-6

The carnivore level in this diagram are also known as

• Producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

Tags

NGSS.MS-LS2-3

The herbivore level in this diagram are also known as

• Producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

Tags

NGSS.MS-LS2-3

This trophic pyramid most shows

• how matter cycles in this ecosystem

• how energy flows through this ecosystem

• how energy cycles in this ecosystem

• all the living things that live in this ecosystem