Biological Diversity 1
Biological Diversity 2
Matter & Chemical Change 1
Matter & Chemical Change 2
Environmental Chemistry
100

Organisms that can reproduce with one another to produce viable offspring are called this.

What are species?

100

This type of reproduction produces offspring identical to the parents.

What is asexual reproduction?

100

This type of property describes how substances react with other substances.

What is chemical property?

100

The impact of increased surface area on reaction rate.

What is increases reaction rate?

100

These substances have a pH below 7.

What are acids?

200

An example of this type of adaptation is wings on birds.

What are physical adapatations?

200

This type of asexual reproduction occurs when a cells grow from a part of the parent's body and eventually detatches.

What is budding?

200

This class of substance includes substances such as water, sugar, and iron.

What are pure substances.

200

This group of elements are highly reactive and easily react with air and water.

What are alkali metals?

200

The concentration at which half the test population dies.

What is the LD50 concentration?

300
An example of this type of variation is the difference in spot patterns in cows.

What are variations within species?

300

This type of trait is always expressed as long as one copy of the gene is present.

What is a dominant trait?

300

This type of compound is made up of a metal and a non-metal.

What are ionic compounds?

300

The number of protons in nitrogen.

What is 7?

300

The product of acid-base neutralization reactions.

What is a salt and water?

400

An example of this type of symbiotic relationship would be cattle egrets—birds that eat insects stirred up by cattle while they are grazing.

What is commensalism?

400

This type of selection occurs when humans choose organisms with desired traits to reproduce.

What is artificial selection?

400

The chemical name for MgCl2.

What is magnesium chloride?

400

The number of neutrons in Argon.

What is 22?

400

This class of macronutrients provides energy the body needs for metabolism.

What are carbohydrates?

500

This type of cell division produces daughter cells with half the number of chromosomes as the parent cell.

What is meiosis?

500

In the following example, this is the ecosystem with a greater biological diversity.

Ecosystem A: 10 species, 20 000 organisms

Ecosystem B: 25 species, 5 000 organisms

What is Ecosystem B?

500

The chemical formula for boron trifluoride.

What is BF3?

500

The chemical formula for magnesium nitride.

What is Mg3N2?

500

The process in which substances increase in the body of organisms over time.

What is bioaccumulation?