Ecosystems and Biomes

Aria, Charlotte, and Lily are discussing the impact of human activities on Earth's ecosystem. Charlotte mentions a specific activity that negatively affects the ecosystem. Can you identify which activity she might be referring to?

• Using Herbicides

• Building shelter

• Growing food

• Disrupting the food chain

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Abigail observed a kestrel in her backyard. The kestrel swooped down and ate a mouse, which had been nibbling on some grass. In this scenario, the kestrel is a (n)_______

• secondary consumer

• consumer

• primary consumer

• producer

Tags

NGSS.MS-LS2-2

Liam, Samuel, and Scarlett are studying about ecosystems. They learned that the many overlapping food chains in an ecosystem make up a ______. Can you help them identify it?

• food chain

• food web

• energy pyramid

• biome

Tags

NGSS.MS-LS2-3

Ethan, Isla, and Luna are observing a tree in their backyard. They notice that the tree is able to make its own food. What would they call such an organism?

• consumer

• producer

• decomposer

• primary consumer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Abigail, Ava, and Zoe noticed that the leftover food in their school compost bin was breaking down over time. They learned that bacteria and fungi are known as ________ because they break down the remains of organisms like this.

• decomposers

• consumers

• herbivores

• carnivores

Aria, Ethan, and Samuel went on a field trip to a farm. They noticed that certain organisms capture the energy of sunlight to make food. These organisms are called a(n) _____

• consumer

• sun

• producers

• photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

During a field trip, William, Avery, and Anika visited a biome that was predominantly covered by grasses, with only a few shrubs and trees scattered around. What type of biome did they visit?

• Deciduous

• Shrubland

• Grassland

• Boreal

During a field trip, Kai, Arjun, and Nora observed a natural food chain. Which of the following correctly represents the food chain they observed?

• grass, rabbit, fox

• grass, grasshopper, bear

• grass, mouse, grasshopper

• grasshopper, grass, fox

Tags

NGSS.MS-LS2-3

Sophia, Isla, and Evelyn were discussing their science project on ecosystems. They concluded that the energy for the food web in their project _____ originally comes from the sun. What did they fill in the blank with?

• food web

• food system

• food pyramid

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Luna, Arjun, and Michael are studying about ecosystems. They came across the term 'energy pyramid'. What does 'energy pyramid' refer to in this context?

• The flow of energy from one trophic level to another in an ecosystem

• The flow of food source from one organism to another

• The flow of animals from one habitat to another

• It refers to a pyramid structure only

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3