Life Science (National Geographic)

What is the original source of energy for organisms in a food chain?

• producers

• consumers

• sun

• nitrogen

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How do plants get their energy?

• By releasing oxygen

• Through a process called photosynthesis

• Through a reaction called chlorophyll

• By eating animals

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What do plants need to stay alive?

• water, soil, air

• water, nutrients, air

• water, nutrients, sun

• water, nutrients, air, sun

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True or False: Chlorophyll is the GREEN pigment that captures the energy of the sun.

• True

• False

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When plants are grown in water with added nutrients instead of soil, this is called...

• Hydroponics

• Farming

• Water farming

• Photosynthesis

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Why would people use HYDROPONICS to grow food?

• More crops can be grown in smaller spaces.

• In many parts of the world, the soil is not good enough for farming.

• It uses less water than traditional farming.

• Fresh local food is available year-round.

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Organisms that get their food from eating plants or animals are called ________________________.

• producers

• consumers

• decomposers

• Food chain

Organisms that can make their own food from the sun are called...

• producers

• consumers

• decomposers

• food chain

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A decomposer...

• makes energy from the sun.

• catches and eats plants and animals.

• tastes delicious!

• breaks down dead organisms and waster matter.

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All the living and nonliving things that interact in an area -

• an ecosystem

• a community

• a population

• food chain

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