Life Science 1.1 What is Life

Sexual reproduction involves only one parent.

• True

• False

The process of change during an organism’s life that results in a more complex organism is called growth.

• True

• False

Bacteria, the most numerous organisms on Earth, are

_________________ organisms.

• multicellular

• single cell

Organisms break down and build up materials in a process

called__________________

• homeostasis

• metabolism

• reproduction

In sexual reproduction, offspring are identical to the parent.

• True

• False

A bird fluffs its feathers to trap body

heat to keep warm during winter months.

This is an example of

• homeopathy

• homeostasis

• spontaneous generation

• asexual reproduction

Which of the following is NOT a

chemical of life?

• mineral

• water

• nucleic acid

• carbohydrates

The one factor that a scientist changes

in an experiment is called the

• responding variable

• hypothesis

• dependent variable

• independent variable

Which of the following terms best

describes green plants?

• multicellular heterotrophs

• multicellular autotrophs

• unicellular autotrophs

• unicellular heterotrophs

Another name for living things is organisms.

• True

• False