Ecology EOC Test

What are plants called in a food chain?

• Producers /Autotrophs

• Consumers /Heterotrophs

• Decomposers

• Scavengers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Why might an organism have more than one arrow coming FROM them in a food web?

• More than one organism may eat them.

• They may eat more than one other organism.

• This organism gets its energy from multiple sources.

Tags

NGSS.MS-LS2-2

Match the following

• This is an organism which feeds on, but usually does not kill, a larger organism

• Decomposer

• This is an animal that lives by preying on other animals.

• Parasite

• This is an organism that relies on other organisms for its food and energy supply; heterotroph

• Consumer

• This is an organism that breaks down and gains nutrients from dead organisms.

• Producer

• This is an organism that supplies matter and energy, also known as an autotroph.

• Predator

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What happens to the amount of available energy in the pyramid as it moves up through the different levels?

• it increases

• it decreases

• it remains the same

Tags

NGSS.MS-LS2-3

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

• keystone

• invasive

• engineer

• predator

Tags

NGSS.MS-LS2-4

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

• 10 Kcal
• 1 Kcal
• 100 Kcal
• 1000 Kcal

Tags

NGSS.MS-LS2-3

Which organism recieves the least amount of energy from the producer?

• Owl
• Grasshopper
• Lilypad
• Mouse

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What amount of percentage does the energy decrease as it goes up the pyramid?

• 100%

• 1000%

• 10%

• 1%

Which organism in the food web shown to the right would

contain the lowest concentration of chemical pollutants?

• producers

• primary consumers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS2-3

If a toxin was introduced to the water of an aquatic ecosystem. Which organism would have the highest accumulation of the toxin in their tissues?

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4