BIOL 2200 Study guides, Class notes & Summaries

Aristotle, a philosopher - Answer-Pre-300 BCE -described species as fixed -Scale of nature: arranges species in order of lowest to highest complexity -linear hierarchy Hutton, a geologist - Answer-1795 -proposed gradualism -change is a slow but continuous process Thomas Robert Malthus, an economist - Answer-1798 -published "Essay on the Principle of Population'" -Human population growth is limited by resources; At some point we will reach carrying capacity, -can't grow exponentiall...

Biodiversity - Answer-The variability among living organisms from all sources and the ecological complexes of which they are part; includes diversity within and among species and ecosystems -Prokaryotes are so important to the biosphere that if they were to disappear, the prospects of survival for many other species would be dim Why study biodiversity? - Answer--To understand evolution of life -To appreciate nature -To assess its economic value -To see the larger impact of humans on the e...

A fish is excreting large volumes of water; we would describe it as ______________________ relative to its environment. - Answer-An osmoregulator that is hyperosmotic. Which of the following animals likely makes the most nitrogenous waste? A. Frugivorous Bat B. Insectivorous Frog C. Piscivorous Seal D. Granivorous Bird - Answer-C. Piscivorous Seal Which of the following statements about mammalian excretion if FALSE: A. Substances like solutes always diffuse across the nephron membrane, w...

BIOL 2200 - Exam II Practice Questions With Complete Solutions Which of the following statements correctly answers how the large amount of genetic variation observed in prokaryotes arises? A) The mutation rate in prokaryotes is much higher than in eukaryotes. B) They have extremely short generation times and large populations. C) They can exchange DNA with many types of prokaryotes by way of horizontal gene transfer. D) They have a relatively small genome. ️️ B and D The short gener...

BIOL 2200 PATHO WEEK 3: CASE STUDY 2 latest update graded A+ Describe the difference in the histology of the tumour if it had been assessed as a adenoma rather than adenocarcinoma ️️ An adenoma is a benign tumour: lost ability to control proliferation the growth is slow the cells are still well differentiated and organized, they also do not invade beyond their capsule do not metastisize. An adenocarcinoma is a malignant tumour: more rapid growth rate loss of differentiation...

BIOL 2200 Exam 2 Latest Update With Complete Solutions Biodiversity ️️ The variability among living organisms from all sources and the ecological complexes of which they are part; includes diversity within and among species and ecosystems -Prokaryotes are so important to the biosphere that if they were to disappear, the prospects of survival for many other species would be dim Why study biodiversity? ️️ -To understand evolution of life -To appreciate nature -To assess its ec...

BIOL 2200 Exam 1 Latest Update Graded A+ aristotle ️️ philosopher described species as "fixed" developed scale of nature james hutton ️️ geologist that believed earth was shaped by gradual changes thomas robert malfus ️️ economist that believed population growth is limited by resources jean baptiste lamarck ️️ believed species are drawn toward increased complexity "use and disuse" august weinman ️️ biologist that studied heredity and experimented with mice to d...

Aristotle, a philosopher : Pre-300 BCE -described species as fixed -Scale of nature: arranges species in order of lowest to highest complexity -linear hierarchy Hutton, a geologist : 1795 -proposed gradualism -change is a slow but continuous process Thomas Robert Malthus, an economist : 1798 -published "Essay on the Principle of Population'" -Human population growth is limited by resources; At some point we will reach carrying capacity, 2 | P a g e -can't grow exponential...

Biodiversity : The variability among living organisms from all sources and the ecological complexes of which they are part; includes diversity within and among species and ecosystems -Prokaryotes are so important to the biosphere that if they were to disappear, the prospects of survival for many other species would be dim Why study biodiversity? : -To understand evolution of life -To appreciate nature -To assess its economic value -To see the larger impact of humans on the earth ...