Relative abundance Study guides, Study notes & Summaries

Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 Exams 1. What are the two major types of nucleic acids and their roles? DNA- deoxyribonucleic acid RNA- Ribonucleic acid DNA- Cellular life has DNA and a role that DNA has is long-term storage of information, it holds the characteristics of living organisms. RNA- Is the carrier of information in form of amino acid sequence. It converts the information in the DNA and synthesizes proteins Tru...

Which organelle participates in the chemical processes that transfers energy from the chemical bonds of nutrient molecules to newly created ATP molecules? - mitochondria The body's main source of energy is _____________ and should be the major part of total daily food intake. - carbohydrates To be considered an essential nutrient, a substance must have all these characteristics except... (a) it has a specific biological function. (b) removal from the diet leads to a decline in human biolo...

GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024/2025 QUESTION PAPER ALREADY PASSED What does 'aq' mean? - answer Aqueous - it is dissolved in water Water - formula - answer H20 Ammonia - formula - answer NH3 Carbon Dioxide - formula - answer CO2 Hydrogen - formula - answer H2 Chlorine - formula - answer Cl2 Oxygen - formula - answer O2 Ammonium (ion) - formula - answer NH4 (+) Hydroxide (ion) - formula - answer OH (-) Nitrate (ion) - formula - answer NO3 (-) Carbonate (ion) -...

Challenges faced by individuals occupying a saltmarsh correct answers -Submersion (less up the shore) -Exposure (more up the shore) -High salt content (made worse by increased exposure) -Lower salt content after heavy rain -Physical stress from waves and tides -Ecological competition -Smothering by dead plants and material brought in by tides -Pollution..heavy metals, organics, nutrients, Suggest 5 reasons why saltmarshes and mudflats are so important to the UK (Hudson, 2016) correct a...

population - ANSWER an interbreeding (sharing genetic information) group of individuals who live in the same geographic area and exist at the same time variability within a species/population (importance) - ANSWER important because: -some genetic variations have advantages over others -natural selection can act on the variation that arises What if populations are separated and can't exchange genes? - ANSWER two processes can occur: 1. genetic divergence 2. speciation genetic diverg...

Chem Module 2 Exam Questions With 100% Correct Answers what are the 3 subatomic particles of an atom protons neutron electron which 2 subatomic particles have the same mass protons and neutrons what is found at the centre of an atom nucleus what is the overall charge of the nucleus positive what is found within the nucleus protons and neutrons what is the mass of a proton 1 what is the mass of a neutron 1 what is the mass of an electron 1/1836 what is the charge of a proton ...

Genetic Diversity - correct answer measures variety of different versions of same genes within a species Species Diversity - correct answer measures number of different kinds of organisms within a community Ecological Diversity - correct answer measures richness and complexity of a community Fragmentation/Cloning - correct answer causes less genetic diversity within an ecosystem Species Richness - correct answer total number of species in a community Species Evenness - ...

A Level Physical Chemistry AQA questions and answers 100% verified. 1 - ANS.relative mass of a proton 1 - ANS.relative mass of a neutron 1/1840 - ANS.relative mass of an electron +1 - ANS.relative charge of a proton 0 - ANS.relative charge of a neutron -1 - ANS.Relative charge of an electron strong nuclear force - ANS.How is the nucleus held together nuclear force - ANS.is the nuclear force or electrostatic force stronge...

what is a biological community? - Answer All of the populations of organisms living and interacting in a particular area commensalism - Answer interaction where one species benefits and the other is unaffected competition - Answer interaction where individuals use the same resources, lowering fitness for both -/- consumption - Answer interaction where one organism eats or absorbs nutrients from the other, +/- mutualism - Answer interaction where two species benefit +/+ three key t...

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...