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Ability to reproduce and adaptability are the two characteristics that organisms show at two levels.
bacteriainsects
Organisms are grouped into species according to their outer similarities so ducks and geese must vary enough to be categorized differently.
complete the sentence
True.
U.o.e.n.o it
U.o.e.n.o it
The more similar the two groups are, the most recent the common ancestor probably is.
Archaea and Eubacteria
Archaea and Eubacteria
Each level of classification uses certain characteristics of organisms that are similar to group them...for example, humans and cats are both in the Kindom Animalia (because they are animals). Similar organisms belong in the same groups, and each group is more specific than the last. For example, if two organisms are in the same Family, but different genuses, then they will be less similar than two organisms in the same genus.
U.o.e.n.o it
A dichotomous key is an outline of a classification system that seeks to identify common organisms (usually trees, flowers, birds or other groups of similar organisms) by systematically evaluating individual characteristics. The name is derived from what it does - provides the instructions (key) for separating organisms into two ("di") groups and then subdividing those groups into two until only one organism is left in the group.
Ability to reproduce and adaptability are the two characteristics that organisms show at two levels.
Each level of classification uses certain characteristics of organisms that are similar to group them...for example, humans and cats are both in the Kindom Animalia (because they are animals). Similar organisms belong in the same groups, and each group is more specific than the last. For example, if two organisms are in the same Family, but different genuses, then they will be less similar than two organisms in the same genus.
What does it mean when two organisms are very similar.
Each animal phylum has unique characteristics that distinguish it from others. For example, all chordates possess a notochord at some point in their development, arthropods have jointed appendages and an exoskeleton, mollusks have a muscular foot and a soft body enclosed in a mantle, and echinoderms have a spiny skin and a water vascular system.