Characteristics of Life

What do we call the molecule that is found in all living things that contains the genetic information?

• Deoxyribonucleic Acid (DNA)

• Water (H₂O)

• Acetic Acid (CH₃COOH)

• Ribonucleic Acid (RNA)

Which characteristic of life is it when a fertilized egg changes over time to become a larger organism with many many cells?

• Grow and develop

• Asexual reproduction

• Sexual reproduction

• Homeostasis

My cowardly dog shivers when he hears thunder. A plant will slowly turn toward a window if there is light coming through it. You urinate when you feel pressure in your bladder. All of these are what characteristic of life?

• Response to their environment

• Grow and develop

• Evolve

• Reproduction

What are the small, but very organized, parts that make up all living things?

• Cells

• Mitochondria

• Organelles

• Tissues

All living things are able to make new organisms that are similar to themselves. What is the best word that describes this?

• Reproduction

• Cloning

• Polymorphation

• Natural Selection

An organism's ability to keep its internal environment stable while the environment outside the organism changes is called . . .

• Homeostasis

• Natural Selection

• Artificial Selection

• Evolution

Plants need sunlight and things from the atmosphere and soil. Animals need to eat plants or other animals. Which characteristic of life is this?

• Obtain and use energy

• Grow and develop

• Maintain homeostasis

• Reproduce

This characteristic of life is the one that you cannot do. Neither can the pine tree outside. However, both humans and pine trees do this over time. An individual cannot, but a species can.

• Evolve

• Reproduce

• Grow and develop

• Respond to their environment.

A spider walks across your hand and you respond by pulling your hand away quickly. What is the spider?

• A stimulus

• A response

• A mutation

• An omnivore

The type of reproduction that requires two individuals. Each individual provides one cell. When those two cells join together, they form a single cell, called a zygote.

• Sexual Reproduction

• Asexual Reproduction

• Internal fertilization

• Cloning