Ecology

Which of the following is a biotic factor?

• Wind

• Air temperature

• Grass

• The ocean

Which trophic level has the greatest biomass and the highest number of individuals?

• Tertiary consumers

• Secondary consumsers

• Primary consumers

• Producers

Which trophic level is the smallest

• Primary consumers

• Secondary consumers

• Producers

• Tertiary consumers

Which level contains herbivores?

• Primary consumers

• Secondary consumers

• Producers

• Tertiary consumers

Tags

NGSS.MS-LS2-2

Which organisms are the secondary consumers?

• The green phytoplankton

• The orange zooplankton

• The silver minnows

• The spotted seal

Tags

NGSS.MS-LS2-3

If all the spotted seals have 1,000 kcal of energy, how much energy will all of the polar bears have?

• 1,000 kcal

• 100 kcal

• 10 kcal

• 10,000 kcal

Tags

NGSS.MS-LS2-3

What are the levels of ecological organization from smallest to largest?

• organism, population, community, ecosystem, biome, biosphere

• organism, community, population, ecosystem, biome, biosphere

• organism, ecosystem, biome, population, community, biosphere

• organism, population, ecosystem, community, biome, biosphere

Will you study the vocabulary from this unit?

• Yes, I will / I already know it

• Nah, I'm good

A scientist is studying a group of racoons that live in a neighborhood. What is the scientist studying?

• A community

• A population

• An ecosystem

• A biome

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A scientist studies how a pack of stray dogs is keeping the racoon population down. What is the scientist studying?

• A population

• An ecosystem

• A biome

• A community

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4