Energy Flow in Ecosystem

Which of these shows a possible food chain for an ecosystem?

• shark--> fish --> plankton -->sun

• sun --> plankton --> fish --> shark

• plankton --> sun --> fish --> shark

• plankton --> fish --> shark --> sun

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

If an organism uses photosynthesis to make its energy, it is a _____.

• tertiary consumers

• producer

• primary consumer

• secondary consumer

Tags

NGSS.MS-LS1-6

Trees, flowers, and seeds are all examples of _______.

• producers

• abiotic factors

• a community

• a food chain

As energy makes its way up the food pyramid only ______ of energy from one organism gets passed on to the next organism.

• 10%

• 20%

• 30%

• 40%

Which kind of organism is an autotroph?

• consumer

• producer

• decomposer

• herbivore

Tags

NGSS.MS-LS1-6

Which organisms are heterotrophs?

• photosynthesizers

• producers

• consumers

• plants

Which is the primary consumer in this food chain?

• rabbit

• grass

• snake

• hawk

Tags

NGSS.MS-LS2-3

Which of the following describes an interconnection of food chains in an ecosystem?

• Food chain

• Food web

• Energy pyramid

• Producer web

Tags

NGSS.MS-LS2-3

What does the arrow in a food chain or food web mean?

• A series of steps in which organisms transfer (move) energy by eating and being eaten.
• An organism that breaks down wastes and dead organisms.
• Shows what eats what and consists of many food chains in an ecosystem
• The transfer (movement) of energy.

Tags

NGSS.MS-LS2-3

What is the definition of the word omnivore?

• An animal that eats only plants
• An animal that eats both plants and animals
• An animal that eats other animals
• An organism that can make its own food.