Ecosystem Dynamics

Which of the following characteristics is shared by both primary and secondary consumers?

• uses the Sun's radiant energy to produce food
• The first step in any food chain diagram
• Eats only plants to gain needed energy.
• Gains energy by eating other living things

The energy pyramid is shown
At which level of the energy pyramid would most of the biomass be found

• Top predator
• Carnivore
• Herbivores
• Producers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A diagram of a marine food chain is provided. Which of the organisms in the food chain transforms energy from the Sun into food?

• Large Sharks
• Marlin
• Shrimp
• Phytoplankton

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

a diagram is provided. Which portion of the diagram represents the level with the most available energy?

• Producers
• Herbivores
• Carnivores
• Top Predators

Tags

NGSS.MS-LS2-3

a diagram of a pond food chain is provided. Which of the following could possibly increase the total amount of energy the catfish population receives within its food chain

• an increase in the number of beetles
• an increase in the number of hawks
• a decrease in the number of plants
• a decrease in the number of hawks

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

a diagram is provided. Which of the following correctly shows one path that energy would flow through this ecosystem? 

• grasses to termites to monkey to eagle
• hyena to mongoose to mouse to grasses
• grasses to termite to grasshopper to monkey
• acacia trees to giraffe to lion to vulture

Tags

NGSS.MS-LS2-3

a diagram of a prairie food web is provided. A reduction in deer population will have the effect in the amount of energy this ecosystem is able to provide for which of the following organisms?

• Rabbit
• Mountain lion
• Mouse
• Hawk

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

which of the following correctly shows how energy flows through a food chain?

• Sun to carnivores to producers to herbivores
• Sun to producers to herbivores to carnivores
• Sun to herbivores to carnivores to producers
• Sun to producers to carnivores to herbivores

Tags

NGSS.MS-LS2-3

The image provided shows the flow of energy through a food chain.

• Plant
• Beetle
• Catfish
• Hawk

Tags

NGSS.MS-LS2-3

What is the role of a consumer in the flow of energy through a food chain?

• Obtaining necessary nutrients from the soil
• Transforming the Sun's energy to make food
• Gaining energy by eating other living things
• Decomposing the remains of living thinis

Tags

NGSS.MS-LS2-3