Ecology Unit

Overlapping food chains in an ecosystem make up a _________.

• Food Chain

• Niche

• Food Web

• Predator

Tags

NGSS.MS-LS2-3

All food webs and food chains begin with ___________.

• Predators

• Producers

• Primary Consumers

• Carnivore

Tags

NGSS.MS-LS1-6

The food pyramid that represents the relative amount of energy in trophic levels is ________________.

• Biomass Pyramid

• Energy Pyramid

• Number Pyramid

• Food Chain

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

Tags

NGSS.MS-LS2-3

How much of the energy in each level of an ecological pyramid gets passed on to the next trophic level?

• 90%

• 100%

• 40%

• 10%

Tags

NGSS.MS-LS2-3

Which trophic level has the largest amount of biomass?

• Trophic level 1

• Trophic level 2

• Trophic level 3

• Trophic level 4

A group of individuals in a species is classified as a ____________.

• Species

• Population

• Ecosystem

• Community

In an energy pyramid, the producers at the first trophic level have 18,000 kcal of energy available. How much would be available at the third trophic level?

• 180,000 kcal

• 1800 kcal

• 1.8 kcal

• 180 kcal

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the original source of almost all energy in most ecosystems?

• Carbohydrates

• Water

• Sunlight

• Carbon

Tags

NGSS.MS-LS1-6

An organism that produces its own food supply from inorganic compounds is called a(n) ____________.

• Autotroph

• Consumer

• Heterotroph

• Decomposer

Tags

NGSS.MS-LS2-3