Characteristics of Living Things
Cells
Chemistry Review
Levels of Organization
Wild Card
100

The molecule that allows living things to reproduce. 

What is DNA?

100

The average number of cells in a human body.

What is 3 trillion?

100

The three parts of an atom. 

What are protons, neutrons, and electrons. 

100

A living thing. 

What is an organism?

100

To keep a balanced diet, you must eat the right mix of these three types of biological molecules. 

What are carbohydrates, lipids, and proteins?

200
Our pupils dilate because of this characteristic shared by all living things.

What is respond to stimuli?

200

The little dot you see in the middle of a cell when looking at it under a microscope.

What is the nucleus?

200
A "proton donor" or a molecule that gives off Hydrogen atoms when mixed with water. 

What is an acid? 

200

The smallest level of organization in biology. 

What is an atom?

200
This element is considered the "element of life" because it forms a backbone for the molecules that build living things. 

What is Carbon?

300

The process which enables living organisms to adjust to their environment in order to ensure survival.

What is adapt?

300

The word for an organism that is only one cell large. 

What is unicellular?

300

A charged atom. 

What is an ion?

300

The largest level of organization in biology.

What is a population?

300

The chemical name for sugar, produced through the process of photosynthesis. 

What is glucose?
400

A lizard basks in sunlight because of this characteristic of living things.

What is maintain homeostasis?

400

The original name for cells, before the word cell came about. 

What is animacules?

400

A molecule with one positive side and one negative side. 

What is a polar molecule?

400

The largest organ in the human body.

What is the skin?

400

This type of cell is produced by most animals, and is the largest type of cell. So large, it can not only be seen without a microscope, but sometimes from a distance. 

What is an egg?

500

These five elements are needed to build all living things. 

What are Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorous. 

500

The founders of cell theory.

Who are Schleiden and Schwann?

500

A unit of energy: the amount of energy used to raise the temperature of water by 1 degree celsius.

What is a calorie?

500

The name for the organ system containing hair, skin, and nails. 

What is the integumentary system?

500

The four kingdoms of life. 

What are plants, animals, protists, and fungi?

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