Atmosphere&Weather
Heredity
Human Body
Ecosystem
Astronomy
100

This is a measure of how much water vapor is in a water-air mixture compared to the maximum amount possible.

What is Relative Humidity?

100

A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

What is Mitosis? 

100

A group of organs that work together to perform a certain function in an organism's body.

What is Organ Systems?

100

An environmental factor or variable that has the capacity to restrict the growth, abundance, or distribution of a population in an ecosystem.

What is Limiting Factors?

100

This is a certain phase of the moon, when it's bulging outward but isn't quite full.

What is Gibbous?

200

the region of the atmosphere above the mesophere and below the height at which the atmosphere ceases.

What is Thermosphere?

200

A table in which all of the possible outcomes for a genetic cross between two individuals with known genotypes are given

what is Punnett Squares?

200

The system in the body that controls internal functions of the body and receives, interprets, and responds to stimuli.

What is Nervous System?

200

This is a species' average population size in a particular habitat

 What is Carrying Capacity?

200

A tide of minimal range occurring near the time when the Moon and the Sun are in quadrature.

What is Neap Tide?

300

This is an instrument for measuring the speed of the wind, or of any current of gas.

What is Anemometer?

300

A genetically modified organism is an animal, plant, or microbe whose DNA has been altered using genetic engineering techniques

What is GMO?

300

The framework of the body, consisting of bones and other connective tissues, which protects and supports the body tissues and internal organs.

What is Skeletal System ?

300

Animals that consume other animals to obtain nutrition from them.

What is Tertiary consumers?

300

It is getting smaller.

What is Waning?

400

This is a peak or lull in the sea level pressure distribution.

What is a Pressure System?

400

A genetically determined characteristic.

What is a Traits?

400

This consists of the tissues (mainly glands) that create and release hormones.

What is Endocrine System ?

400

The region on, above, and below the Earth's surface where life exists

What is Biosphere?

400

It's popularly known as a "King Tide"—refers to the 'springing forth' of the tide during new and full moon

What is Spring Tide?

500

A peak or lull in the sea level pressure distribution.

What is Air mass ?

500

This is a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes

What is Meiosis ?

500

made up of blood vessels that carry blood away from and towards the heart.

What is Circulatory ?

500

A biological community of interacting organisms and their physical environment.

What is Ecosystem ?

500

A circle which has been squashed or flattened a bit.

What is Ellipse?