All living things are placed into 5 groups called __________________
kingdoms
The grouping process is called ____________________
classification
______________________ are the largest animal phyla
arthropods
There are two systems of classification, natural and _______________________
artificial
These have a backbone.
vertebrates
A group of similar organisms that are capable of interbreeding to produce fertile offspring
species
If 2 species are closely related they tend to share more _______________________
characteristics
This shows what organisms eat
foodchain
These organisms eat dead material such as dead leaves or waste
detritivores
These decay the bodies of other organisms but do not eat them
decomposers
Each link in a food chain is called a ______________ ___________
trophiclevel
These are organisms such as plants
producers
These are animals that eat plants
herbivores
These are animals that eat both plants and animals
omnivores
This process puts carbon dioxide into the atmosphere
combustion
This process takes carbon dioxide out of the atmosphere
photosynthesis
When plants and animals _______________ carbon dioxide is put back into the atmosphere
respire
the number of organisms of a particular species in a named area
population
Fighting for resources is called _________________________
competition

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