Living Systems NSCAS Prep

Choose the three items from the list below that plants must have to grow.

Wind

Sunlight

Air

Soil

Water

Time

Identify the living things using the word bank below:

sun,

air,

tree,

house,

soil,

squirrel,

grass,

water,

plant,

bushes,

bird

Explain how the pumpkin got a hole in it.

Matter refers to all of the living and nonliving things in that environment. The cycling of matter

in the river otter ecosystem involves more than food matter between plants and the animals.

Which part of the environment DO NOT provide non-food matter that is part of the cycle?

• Rock

• Water

• Air

• Soil nutrients

In the river otter ecosystem, which of the following is a primary source of energy for plants?

• Sunlight

• Air

• Water

• Soil nutrients

Which of the following elements is essential for the process of photosynthesis in plants within the river otter ecosystem?

• Nitrogen

• Oxygen

• Carbon dioxide

• Hydrogen

In the context of the river otter ecosystem, which of the following is NOT a decomposer?

• Fungi

• Bacteria

• Earthworm

• Fish