Characteristics of Life Pretest Life Science A (90%)

Which are characteristics of all living things? Check all that apply.

a. are made of cells d. respond to stimuli e. can reproduce f. grow and develop

Which accurately describes development?

a. changing while growing

An organism is able to maintain a stable internal environment despite changing external conditions. What is this called?

a. homeostasis

A plant is left in a protected greenhouse that pumps in fresh carbon dioxide. The plant also has access to sunlight and can make its own sugar. However, the plant is beginning to die. What is most likely missing?

a. water

What do all organisms need? Check all that apply.

b. air, d. water, e. food, f. a place to live

Different organisms have different "habitats." These are all examples of habitats: The tops of banana trees in a rainforest The moist area inside a log on a forest floor The sand on the bottom of a shallow area of the ocean Which survival need best defines "habitat"?

b. someplace to live

Which is true about all unicellular and multicellular organisms?

b. they reproduce

Which do all cells need in order to function?

b. water

Juliana was born at 7 pounds 3 ounces and now weighs 28 pounds. Which characteristic of life does this change display?

c. growing and developing

The smallest unit of life is a ------ and all organisms have at least one.

cell