Degradation such as pollution and destruction can damage a0 resources and threaten sustainability of the resource system.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.

i won't lie i don't know so go online and ask google thats what i do