IS8 - Unit 4 Test

Of the following, which is NOT a nonliving feature of the environment?

• water

• fungi

• soil

• light

Of the following, which are NOT living organisms?

• plants

• animals

• producers

• minerals

The organisms of one species living together in the same place at the same time are a ____.

• community

• population

• niche

• all of the above

The role a species plays within a community is its ____.

• niche

• habitat

• population

• ecology

Anything that restricts the number of individuals living in a population is ____.

• a limiting factor

• population spacing

• symbiosis

• the biotic potential

Which of the following is a biotic factor?

• sunlight

• worms

• water

• climate

Which process uses oxygen in plants, algae, and animals?

• transpiration

• photosynthesis

• chemosynthesis

• respiration

Decaying matter found in soil is called ____.

• humus

• consumer

• latitude

• elevation

During photosynthesis, light energy becomes ____ energy.

• soil life

• chemical

• mechanical

• pyramid

Nitrogen is a necessary ingredient of ____.

• white blood cells

• carbohydrates

• fats

• proteins