eukaryotes are characterized by the presence of nuclei, cytoskeletons, and internal membranes in their cells.
who thought of 6 kingdoms
cavalier-smith
who thought of the 2 empires: prokaryotes and eukaryotes?
chatton
what are the 5 kingdom by whittaker
monera
protist
animalia
fungi
plantae
3 kingdoms by haeckel
protist
animalia
plantae
3 domains by woesse
bacteria
archaea
eukaryote
6 kingdoms by cavalier-smith
bacteira
protist
chromista
plantae
fungi
animali
to classify domains based on:
cell type
number of cells
food
reproduction
2 types of cells
prokayotes
eukaryotes
autotrophic make their own sugars
2 types of autotroph
phototrophic
chemotrophic
most ancient prokaryote
bacteria
reproduction of prokaryotes
binary fission
Ancient prokaryotes found in every habitat on Earth except extreme environments
bacteria
cell walls of bacteria contain
peptidoglycan
Who is known as the "Father of Modern Taxonomy" and developed the binomial nomenclature system for naming species?
linnaeus
Which bacterial morphology is exemplified by organisms like Spirochetes and Spirilla?
spiral
Who is considered one of the earliest figures in the history of biological classification, creating a system that categorized animals based on their physical characteristics?
aristotle
Which kingdom within the domain Eukarya includes diverse organisms such as algae, protozoa, and slime molds?
protista
Which group of plants are non-vascular, typically small in size, and reproduce via spores?
mosses
warts
Which group of plants are characterized by the production of flowers and enclosed seeds within fruits?
angiosperm
Which group of fungi includes species commonly found in aquatic environments, characterized by their simple reproductive structures and lack of true alternation of generations?
phycomycetes
Which type of bacteria can perform aerobic respiration in the presence of oxygen but can switch to fermentation or anaerobic respiration in the absence of oxygen?
facultative anaerobes
Which of the following factors poses a significant threat to biodiversity by exerting pressure on ecosystems through increased resource consumption, habitat destruction, and competition for space and resources?
overpopulation
Which phylum of animals typically exhibits a radial or biradial symmetry and includes organisms like jellyfish, corals, and sea anemones?
cnidaria
Among the following mammalian orders, which one exhibits a dental formula characterized by having two incisors, one canine, two premolars, and three molars in each quadrant of the mouth, distinguishing them from the other choices?
primates
Which domain of life consists of organisms that often thrive in extreme environments, such as hot springs, salt flats, and deep-sea hydrothermal vents?
archaea
Which of the following is an example of a hyperthermophilic archaeon often found in hot anaerobic and acidic environments with optimal growth temp. of 85C, such as volcanic springs?
thermoproteus
Which component of biodiversity focuses specifically on the variety and abundance of different species within a given area, playing a crucial role in maintaining ecosystem stability and resilience?
species diversity
Which of the following is one of the main phyla of Archaea, known for its diverse range of habitats including extreme environments like hot springs, salt flats, and anaerobic environments?
Euryarchaeota
Which group within the kingdom Protista consists of single-celled organisms that primarily obtain nutrients by consuming organic matter or other organisms?
protozoans
Which group of archaea is known for producing methane as a metabolic byproduct and is commonly found in anaerobic environments such as swamps and the digestive tracts of animals?
methanogen
Which phylum of animals is characterized by unsegmented, cylindrical bodies and includes species like roundworms, often found in diverse habitats such as soil, water, and even within other organisms?
nematoda
Which group among tetrapoda is characterized by possessing a four-chambered heart, feathers, and pneumatized bones, distinguishing them from other groups?
aves
Who is known for defining the Archaea (a new domain of life) based on differences in ribosomal RNA, fundamentally altering the tree of life?
woesse
Who proposed the concept of the six-kingdom system and made significant contributions to the understanding of protist classification?
cavalier-smith
Which domain of life includes organisms with membrane-bound organelles and a nucleus enclosing their genetic material?