Ecology Test 1 Review

Which of the following are missing from the food web shown above?

• Producers
• Omnivores
• Decomposers
• Predators

Tags

NGSS.MS-LS2-2

Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the secondary consumer level in this pyramid?

• 100 joules
• 500 joules
• 1,000 joules
• 50 joules

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

An ocean food chain is shown in the diagram above. Which organism represents the trophic level containing approximately 1% of the initial amount of solar energy acquired by the phytoplankton?

• Sand eels
• Copepods
• Herring
• Humans

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Part of a hydrothermal vent food web is represented in the diagram. Which organisms are both secondary and tertiary consumers in this food web?

• Chemosynthetic bacteria and amphipods
• Ratfish and octopuses
• Zooplankton and mussels
• Galatheid crabs and zoarcid fish

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

NGSS.MS-LS2-1

Which is the correct order for the levels of organization in an Ecosystem starting with the simplest level?

• populations, community, organism. biome, ecosystem

• organism, ecosystem, biome, community, population

• biome, ecosystem, community, population, organism

• organism, population, community, ecosystem, biome

A population of deer belongs to the forest community.  Which change to the community would most likely cause the deer population to increase? 

• A new disease strikes mountain lions, a predator of deer
• A new beetle arrives that lives in the bark of trees, food supply for the deer
• Human activities divert water away from the forest
• Human activities reduce the size of the forest

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The diagram to the right represents different levels of a marine food pyramid. Between which two levels is the smallest amount of energy transferred?

• R and Q

• S and R

• T and S

• U and T

Tags

NGSS.MS-LS2-3

The diagram below illustrates the feeding relationships within an ecosystem.  Approximately what percentage of the original amount of energy from producers is stored in the tissues of the rabbit?

• 0.1%
• 1%
• 10%
• 100%

Tags

NGSS.MS-LS2-3

In the diagram below, the numbers measured in refer to _____ 

• The matter that gets transferred to the next higher tropic level
• The organisms that get consumed by organisms in the trophic level  above
• The energy that gets transferred to the next higher trophic level
• The organisms at each level that are autotrophs

Tags

NGSS.MS-LS2-3

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

Tags

NGSS.MS-LS2-3