Energy Flow in Ecosystems

In the context of ecosystems, energy flows through different levels. Fill in the blank: The three main concepts discussed in 'Energy Flow in Ecosystems' are Chains, Webs, and _______.

• A) Cycles

• B) Pyramids

• C) Networks

• D) Layers

Tags

NGSS.MS-LS2-3

Which of the following is the primary source of energy for most ecosystems?

• Plants

• Animals

• Sun

• Decomposers

Tags

NGSS.MS-LS1-6

In the energy flow of an ecosystem, the energy from the sun is first captured by ______.

• Primary Consumers

• Secondary Consumers

• Decomposers

• Producers

Tags

NGSS.MS-LS1-6

Which of the following are examples of autotrophs that produce their own food?

• Animals

• Plants, algae, and some bacteria

• Fungi

• Insects

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Producers are crucial for energy input into ________.

• Atmosphere

• Ecosystems

• Oceans

• Deserts

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a primary consumer?

• Grass

• Grasshopper

• Bird

• Snake

Tags

NGSS.MS-LS2-2

Fill in the blank: A(n) _______ is an organism that consumes both plants and animals.

• Herbivore

• Omnivore

• Carnivore

What is the definition of a food chain?

• A network of producers and consumers

• A linear sequence of organisms through which energy is transferred

• A cycle of energy flow in an ecosystem

• A group of organisms that share the same habitat.

Tags

NGSS.MS-LS1-6

Fill in the blank: In a food chain, energy transfer is inefficient; only about ___% moves to the next level.

• 5

• 10

• 20

• 50

What is a food web?

• A single food chain

• A complex network of interconnected food chains in an ecosystem

• A group of animals living together

• A type of plant.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3