Bio 1407 - Study guides, Class notes & Summaries

Domains - ANS Bacteria Archaea Eukarya how many bacteria species are in your GI tract - ANS 400 how many bacteria species are in your mouth - ANS 500 how many bacteria species are in 1 drop of seawater - ANS 10,000-100,000 oldest fossils of bacteria were when - ANS 3.4 billion years ago what does ubiquitous mean? - ANS they're everywhere Fact about bacteria: - ANS Most bacteria are not pathogenic (disease causing) Use anaerobic r...

trophic - ANS feeding symbiosis - ANS one species lives in or on another species, affect can be positive or negative predation - ANS one species' individual kills and eats another species' individual carnivory - ANS predator and prey are both animals herbivory - ANS predator is an animal and the prey is a plant parasitism - ANS a parasite lives in or on its host feeding off certain tissues without necesarily killing them competition - ANS ...

Clues from geology and paleontology suggest that simple cells or their precursors arose about how long ago? - ANS 4 Billion Years Which theory explains the origin of chloroplasts and mitochondria? - ANS Endosymbiotic Theory DNA that is separate and apart from the chromosome in a prokaryote is a(n) - ANS Plasmid The primary component making up the cell walls of bacteria is - ANS Peptidoglycan Prokaryotes lack which feature? - ANS Nucleus All protists - ANS ...

BIO 1407 Exam 3 (LSC) Questions with Correct Answers 100% || Graded A+ Latest (2024) || Certified!!! Which of the following is a male reproductive structure found in plants? archegonia megaspore pollen cone pistil - pollen cone All of the following structures are associated with lycophytes EXCEPT archegonia. rhizome. microspores. microphylls. - archegonia Which of the following is NOT an adaptation of plants to life on land? protection of the embryo from drying out waxy cuticle on...

Animals are classified according to all of the following features EXCEPT presence or absence of segmentation. mode of reproduction. type of body symmetry. number of germ layers. molecular data. - Mode of Reproduction Bilaterally symmetrical animals tend to be active and move forward. tend to exhibit cephalization. have right and left sides when cut longitudinally. All of the choices are correct. - All of the choices are correct Which of the following is NOT a characteristic of all ani...

The theory of _____ proposed that sudden and widespread disasters that result in mass extinctions followed by repopulation could explain why species change over time. - Catastrophism The fossilized remains of two different species are found and scientists are interested in determining the evolutionary relationship of the two species. Which of the following could be used to determine the relatedness? A. homologous structures B. vestigial structures C. biogeography D. All of the choices...

Which of these is the best description of a virus? a noncellular living organism the smallest bacteria known a member of the kingdom Virusae an invasive cell chemical complexes of RNA or DNA protected by a protein shell - Chemical complexes of RNA or DNA protected by a protein shell Pasteur chose the Latin root word for "virus" meaning extremely small. non-living. poison. contagious. particle. - Poison Ivanowsky first recognized that something smaller than a bacterium, called a fi...

BIO 1407 LAB ## 3 (LSC) Questions with Correct Answers 100% || Graded A+ Latest (2024) || Certified!!! gram negative - stains pink, less peptidoglycan gram positive - stains purple, more peptidoglycan Cocci - Round Shape Bacilli - Rod Shaped Spirillum - Spiral Shaped; rigid; external flagella - gram neg Spirochete - A bacterium having a spiral shape; flexible; internal flagella (very thin) - hard to stain (dark field microscopy) Cocci Arrangements -

Animal Reproduction and Development entails the study of life processes in cells, organs, and whole animals to enhance efficient production of high quality animals and animal food products. These notes go in depth on the process of animal reproduction, diversity, and structure. These lectures will help you to understand the process by which an animal is formed, way its could be nourihsed depending on the type of animal, its structures, and how they differ, what it eats and moreso includes keywo...