What is Life? Ch 1. Lesson 1.

Which of the following terms best describes green plants?

• multicellular heterotrophs

• multicellular autotrophs

• unicellular heterotrophs

Which of the following is NOT a chemical of life?

• mineral

• water

• nucleic acid

The one factor that a scientist changes in an experiment is called the

• responding variable

• controlled variable

• manipulated variable

A bird fluffs its feathers to trap body heat to keep warm during the winter months. This is an example

• homeostasis

• spontaneous generation

• asexual reproduction

__________ reproduction involves only one parent.

• Sexual

• Asexual

The process of change during an organism's life that result in a more complex organism is called __________.

• growth

• development

Bacteria, the most numerous organisms on Earth, are ______________ organisms.

• multicellular

• unicellular

Another name for living things is organisms.

• true

• false

Organisms breakdown and build up materials in a process called __________.

• homeostasis

• metabolism

In sexual reproduction, offspring are identical to the parent.

• true

• false