Heredity
Biodiversity
Ecosystem
Respiratory & Circulatory System
100

This is where genes are located.

What is chromosomes?

100

This refers to the variety of life in an area.

What is Biodiversity?

100

This occurs in the chloroplast found in the leaves of the plants.

What is photosynthesis?

100

This is also know as the wind pipe.

What is Trachea?

200

This is made up of repeating units of nucleotides.

What is a DNA?

200

This is where the last member of a species dies.

What is extinction?

200

This is where cellular respiration occurs in cells.

What is mitochondria?

200

This is the one-way door on the heart that allows the blood to flow either forward or out of the next chamber.

What is the valve?

300

These are reproductive cells that unite during sexual reproduction to form a zygote.

What are gametes?

300

These are environmental conditions that keep a population from increasing in size and help balance ecosystems.

What are Limiting Factors?

300

This is produced using carbon dioxide, water and sunlight.

What is sugar (or glucose) and oxygen?

300

This is subdivide many times inside the lungs, forming hair-like tubes?

What is bronchioles?

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