Ecology

What is a producer?

• an organism that gets energy from eating other organisms

• an organisms that uses sunlight to make its own food

• an organism that gets energy from eating dead organisms, non-living material or waste

• an organism that uses chemical energy to make its own food

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In the energy pyramid here, which organisms have the most energy available?

• Producers

• Carnivores

• Herbivores

• Top Predator

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In the energy pyramid below, which organism has the least amount of energy available?

• Producers

• Herbivores

• Carnivores

• Top Predator

Tags

NGSS.MS-LS2-3

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 sphere of the Earth includes all living organisms?

• Atmosphere

• Hydrosphere

• Biosphere

• Geosphere

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

NGSS.MS-LS2-1

NGSS.MS-LS2-3

A species indigenous to a certain region or ecosystem naturally is a ---

• Native Species.

• Accidental Species.

• Introduced Species.

• Invasive Species.

As part of the biosphere, humans only account for ____ % of the Earth's biomass:

• 1%

• 0.01%

• 7%

• 12%

Blackspot fungus does not grow on roses when there is a large amount of sulfur dioxide in the atmosphere. This fungus serves as a _____

• secondary messenger

• bioindicator

• keystone species

• eco-service

The following statement is a hypothesis formed about marsh grass: 
If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.
What is the independent variable of the statement above? 

• Height of grass

• Amount of nitrogen

• Essential nutrient

• Amount of growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Secondary succession begins

• on bare, exposed rock.

• after a disturbance like a wildfire.