Questions with Complete Solutions
2025-2026 Updated.
early atmosphere had... - Answer hydrogen, methane, other hydrocarbons and ammonia
systematics - Answer - the analytical study of the diversity and relationships of organisms,
both present day and extinct
- organizing or grouping things
taxonomy - Answer - the branch of biology concerned with naming and classifying the
diverse forms of life
binomial nomenclature - Answer - developed by Linnaeus as the foundation for modern
classification
- the two lowest categories of the taxonomic hierarchy (genus and species) make up the
scientific name for an organism
ie; Homo sapiens (but italicized)
DKPCOFGS - Answer domain
kingdom
phylum
class
order
family
genus
species
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5 kingdoms - Answer monera
protista
fungi
plantae
animalia
monera - Answer prokaryotic, unicellular, eats by absorption/photosynthesis
, protista - Answer eukaryotic, unicellular, eats by absorption, photosynthesis and ingestion
fungi - Answer eukaryotic, multicellular, absorption
plantae - Answer eukaryotic, multicellular, photosynthesis
animalia - Answer eukaryotic, multicellular, ingestion
the ability to examine DNA sequences and genes of different organisms resulted in the kingdom
Monera being separated into two distinct groups that are... - Answer polyphyletic
polyphyletic - Answer describes a taxon whose members were derived from two or more
ancestral forms not common to all members
evolutionary tree with 3 main branches - Answer prokaryotic domains:
bacteria and archea
eukaryotic domain:
eukarya
phylogeny - Answer - the evolutionary history of a species or group of related species
- grouping based on perceived evolution
in a phylogenetic tree, nodes... - Answer are at each branch point, they represent divergence
of species.
polytomy - Answer an unresolved place of divergence
phylogenetic history can be inferred from similarities in....... and genes when compared among
organisms - Answer homologous structures
similar morphology + similar DNA sequences = - Answer closely related species
homoplasies - Answer analogous structures, may be due to convergent evolution and not
shared ancestry.