Characteristics of life and Viruses

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. Which characteristic of life does this represent?

• All living things use energy

• All living things contain cells

• All living things maintain homeostasis

• All living things grow

The basic unit of structure and function in the human body is the....

• organ
• organ system
• cell
• tissue

Which statement describes ALL living things?

• They are composed of one or more cells.

• They must reproduce sexually.

• They have organ systems to carry out the processes of life.

• They are capable of making their own food.

Which characteristic is shown: A plant switches position and follows the sunlight throughout the day.

• Grow and develop

• Respond to a stimulus

• Acquire and use energy

• Reproduce

A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?

• All living things reproduce

• All living things maintain homeostasis

• All living things use energy

• All living things grow

Which of these is not true about all organisms?

• all living things are multicellular

• all living things obtain and use energy

• all living things reproduce

The following list represents characteristics of a living thing :

• made of cells, has lungs, can reproduce

• made of cells, grows and develops, uses energy

• has similar chemicals, makes noises, made of cells

Which item listed is NOT a characteristic of life?

• adjusting to stimuli

• getting and using energy

• growing and developing

• breathing

Excretion is the process of

• responding to the environment.

• passing of genes.

• getting rid of waste.

• growth and change

Which of these are not an example of excretion?

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