Organization of Living Things
Ecosystems, Communities and Biomes
What are Habitats and Niches?
How are Traits Inherited?
Exploring Space
100
The basic structural unit of a living thing
What is a cell
100
A large group of similar ecosystems
What is biome
100
An inherited trait or characteristic that helps an organism survive
What is adaptation
100
A short segment of DNA that determines one of an organism's inherited traits
What is gene
100
A large body in space that revolves around the Sun
What is a planet
200
An animal that does not have a backbone
What is an invertebrate
200
the normal patter of weather that occurs in an area over a long period of time
What is climate
200
The death of a species
What is extinction
200
A change in the genes of an organism
What is mutation
200
The Sun and all the bodies in space that revolve around it
What is the Solar System
300
Cell structure that performs a specific function
What is organelle
300
a description of how energy in an ecosystem flows from one organism to another
What is food web
300
a close, long-lasting relationship between two species
What is symbiosis
300
A thick coil of DNA
What is chromosome
300
A giant sphere of glowing gases
What is a star
400
Matching body form, such as across opposite sides of a diving line.
What is symmetry
400
Earth's coldest biome
What is tundra
400
Harmful substances that have been added to the environment
What is pollution
400
of a trait: not expressed when an organism receives genes for two different forms of a trait
What is recessive
400
the four planets of the solar system that are closest to the sun-Mercury, Venus, Earth and Mars
What is inner planets
500
A kind of vertebrate, most of which begin life in water and live part of the time on land
What is amphibian
500
akk tge nenvers if tge sane type of organism living in an ecosystem
What is population
500
A species that may become endangered without protection
What is threatened species
500
The production of offspring by the union of male and female gametes
What is sexual reproduction
500
Unit of measurement for distances in space; equals the distance light travels in a year-about 9.5 trillion km
What is light-year
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