Anatomy of Flowering Plants Questions and Answers

The opening and closing of stomata is a way in which plants regulate gas intake and water A guttation B gain C loss D production

What will be the growth rate of a facultative anaerobe in the absence of O Hide answer choices A Incorrect No growth A B Sub optimal growth

An example of a plant responding to its environment would be the opening of in the presence of carbon dioxide A stomata B phloem C the cuticle

Plants can or green up in response to sunlight A de etoliate B suberize ploem C de lignate D diffuse excess gas

Challenge 2 In an experiment with zebra finches researchers placed artificial red tags on the heads of some of the males see pics in PowerPoint Females were then allowed to choose their mates for breeding 1 When given a choice between normal males and males with tags on their heads which males do you think the females preferred Why 2 How would their choices affect their offspring X

Which of the following refers to the process through which monomers are joined together by the removal of water dehydration synthesis decomposition reaction hydrolysis exchange reaction

Amongst the choices below only which is the highest level of structural organization organ level organ system level cellular level tissue level

Identify the following errors as systematic or random A micropipet is improperly calibrated and the balance dispensed is always smaller than expected Choose The last digit on a pH meter fluctuates up and down as a measurement is taken Choose A thermometer is placed such that the bulb makes poor contact with the measured substance giving erratic tempera readings Choose A few drops of water are on a balance pan causing the mass output on the balance to be high each time it is used Choose Y

Nitrogen exists in the atmosphere similar to carbon However nitrogen cannot be directly absorbed from the atmosphere Instead nitrogen must enter the food chain through the absorption of nitrogen from the soil by plants Which of the following describes a process in the nitrogen cycle that is essential for the ab sorption of nitrogen by plants Select all that apply A B C D Nitrogen fixing bacteria convert nitrogen gas into ammonia Denitrifying bacteria convert nitrogen gas into ammonia Denitrifying bacteria convert nitrate into nitrogen gas Nitrifying bacteria convert ammonia into nitrate

large seedpods after flowering The seed pods are pale green and covered with bumps Eventually the pods turn brown and split open releasing up to 200 flat brown seeds Silky white hairs attached to each seed facilitate wind dispersal An image of milkweed seeds can be seen below A milkweed seed Which of the following correctly identifies the expected pattern of distribution of dandelions based on the in formation above A B C clumped distribution pooled distribution uniform distribution

Which of the following statements are correct regarding transpiration and evaporation 1 Transpiration is the evaporation of water from plants II Both terms involve the conversion of liquid water into water vapor III Evaporation occurs when water vapor in the atmosphere changes into liquid water and falls with gravity IV Both processes occur on the surface of plants A B C I only I and IV II and IV

Monocot and Dicot Leaves Identify the structures of a monocot leaf cross section D B G A F A MU C D G H I I select answer select answer select answer select answer select answer select answer select answer select answer select answer select answer

Identify the structures of a dicot leaf cross section D B A E K U A B C D E F 1 J select answer select answer select answer select answer select answer select answer select answer select answer select answer select answer select answer

Recipe using Herbs or Spices Research Two recipes that use different herbs and spices Write down the ingredients and draw a picture of the dish

Thought Questions 15 Describe the differences between Gram positive and Gram negative bacteria has thick peptidoglycan Gram has thin peptidoglycan 16 Many people have the misconception that all bacteria are germs Briefly give examples of bacteria that h beneficial roles 17 Describe how you would classify a protist that can obtain its energy through photosynthesis as well as heterotrophism

3 Yeast are unusual in that they are able to use ethanol as a gluconeogenic substrate to glucose using the assistance of the glyoxylate pathway Describe how the ethanol glucose conversion takes place 10 points ethanol glucose conversion takes place by ethanol is converted into acetaldehyde by alcohol dehydrogenase then acetaldehyde to acetic acid by acetaldehyde dehydrogenase then acetic acid to acetyl CoA acetyl CoA is further converted into succinate and glyoxylate Succinate and glyoxylate are converted into malate then oxaloacetate to gluco

4 A yeast mutant was isolated that was deficient in the enzyme phosphofructokinase The mutant yeast was able to grow on glycerol as an energy source but not glucose Explain why 10 points

When did the trend of sharing opinions begin

What 3 cell types function as antigen presenting cells APCs that present antigen to T helper cells For the toolbar press ALT F10 PC or ALT FN F10 Mac

A major impetus to Portugal s exploration of the African coast was the desire to boldly go where no man had ever gone before the mistaken belief that Africa and Asia were the same place O the desire to colonize Africa O the desire for riches from the African gold ivory and slave trade

The development of agriculture among Native American societies spread south from Canada north from Mexico south from Mexico west from the Atlantic Coast

Central tenets of Mercantilism included which of the following O Nations should export more than they import O National self sufficiency should be encouraged through subsidy of domestic manufacturing A nation s wealth should be measured by the volume of precious metals it could obtain only a and c O all of the above

All of the following provided a basis for English expansion into the New World EXCEPT England s separation from the Catholic church an increase in political stability brought about by the conclusion of the Wars of the Roses and the establishment of the House of Tudor O the rise of mercantilist thought in England O an increase in the number of small agricultural units throughout England allowing more families to participate more actively in the economy O No answer text provided

Birds can have beaks that range from small to large Birds with large beaks are better able to crack hard seeds Birds with small beaks have an easier time eating small seeds Which situation would cause directional selection toward birds with larger beaks A A very rainy season leads to the growth of many different types of fruit B New predators move into the region and target all birds C A drought kills grasses and only hard seeds from trees remain D A wildfire wipes out trees and allows grasses with small seeds to regrow

greenhouse gas molecules 1 Point CO2 20 CH4 02 4 CO2 CH4 5 CO2 CH4 80 CO2 8 The Industrial Revolution of the 1800 s created machines and factories that 1 Point used renewable resources were sustainable and environmentally friendly obtained most of its energy from fossil fuels

d If parents produce multiple offspring how are the siblings likely to compare with one another genetically Why Include the roles of DNA replication independent assortment and crossing over in your explanation 3 points

4 Develop a model to compare mitosis and meiosis a This model shows the basic changes in a cell as it undergoes mitosis Draw a similar model that shows how a cell changes as it undergoes meiosis 4 points DNA replication Cell division Mitosis Daughter cells 2n c n H in 11

freshmen for Fall 2017 was Select one O24 30 O26 32 O 30 33 posite score for UC Davis admitted UC Davis freshman admission profile This is a snapshot of the admitted freshman class for fall 2017 Please be cautious in drawing conclusions from this information Use it as a general guide to selectivity and not as a predictor of your chance for admission to UC Davis Admit rate Admits Overall High School GPA Applicants California Residents of admits GPA and test scores of middle 25 75 students ACT Composite Score 43 6 ACT English Language Arts 30 945 70 968 59 7 3 95 4 25 26 32 24 30

3 SUMMATIVE Criteria C A On graph paper plot population size against time as measured by year Note that the dates are not evenly spaced and so you must work out a scale on your X axis that allows you to plot dates over 12000 year period B Make two separate graphs for table 10 1 and table 10 2 Year Population size millions The table 10 1 and 10 2 show population data from 10000ace to 2011 Table 10 1 shows dates from 10000 up to the late medieval period and table 10 2 from the early Renaissance period up to 2011 Table 10 1 Global human population size from 10000BCE to the late medieval period 10 000 CE 1000BC 8000 cr 6500BCF 5 7 5 5 50 Year Population size millions 1500 Courage Justice Temperands Wadim Table 10 2 Global human population size from the early Renaissance to 2011 443 1804 1000 1927 5000UCC 12 5 3000BCF 2000BCF 14 27 1960 000 3000 1974 4000 1937 D Make the document a google doc E Write your name on the document F Answer the questions G Upload the document to managebac under the task 5000 1999 6000 400BCF 1CF 162 2011 7000 D Go to managebac find the unit Choices People Make Affects the Environment C Download the document Name Summative assessment unit 5 Criteria C 285 8000 1200CF 405 2023 9000 2035

A B C metals and other minerals plastic wind and sunlight

In the Amazon biodiversity is decreasing dramatically because species are threatened by 1 Point O deforestation O desertification flooding 20 This process leads to severe erosion 1 Point overfishing overhunting

Removing roots that hold soil in place can cause 1 Point O topsoil to build up O an increase in humus O soil erosion 8 Carbon Dioxide Methane gas and Water vapor 1 Point O are ozone molecules are all greenhouse gases

17 An important reduction of function loss of function gene mutation associated with polyp formation and colon cancer occurs in the a The oncogene RAS GTPase b The Tumor suppressor APC c CAMP binding protein d p21 gene

15 The Nuclear lamina is made of a actin filaments b microtubules c intermediate filaments d all of the above

What is the major cause of the mass extinctions of species occurring today volcanic eruptions O human activities O O depletion of the ozone layer global warming due to an increased greenhouse effect

Certain gases trap the sun s energy and results in an increase in atmospheric temperatures What is this phenomenon known as Oozone depletion O acid rain O the greenhouse effect smog and air pollution

How are humans affecting the levels of greenhouse gases Human activities have significantly raised the levels of many greenhouse gases in the atmosphere Carbon dioxide specifically is the gas that has greatly increased due to human activities Prior to the industrial revolution the greenhouse gases were balanced Once the revolution occurred there have been more fossil fuels burned deforestation other human activities that lead to an increase in the greenhouse effect CAUSE EFFECT Burning fossil fuels from factories oil coal natural gas Deforestation cutting down trees Releases carbon into the atmosphere the amount of plants and trees that would during this variations Overall higher temperatures can also make the water of the seas and oceans ice to melt polar bears are endangered it can affect a farmer s Sive survival of Polar bears It also causes the and affect the 1 What do the greenhouse gases do Trap some of the earth s out g energy thus retaining heat in the atmosphere Describe below what would happen to the Earth if we had TOO MUCH or TOO LITTLE green Bases too much greenhouse gas makes earth No w

Youth Climate Story 2 Air Pollution in Los Angeles 1 How does concrete react to heat 1 2 How did LA s intense heat affect Maxine and her friend after the track meet 1 3 How does heat affect smog 1

18 The allele for sickle cell disease is an example of heterozygote advantage because a Having a single sickle cell allele is harmful to human health b Having a single sickle cell allele protects a person from malaria c Sickle cell disease is no longer a dangerous disease in humans d Sickle cell alleles are common only in Africa 19 Pterosaurs are an extinct group of flying reptiles from the Mesozoic era In pterosaurs the 5th finger bone our pinky has elongated to become the wing but in birds it is the 2nd finger bone pointer finger that forms the wing In this example wings are a Homology b Convergence c Both homology and convergence d Neither homology nor convergence

What is the most likely meaning of incredulity in the following sentence Lena s story about seeing an alien aircraft in the sky was met with incredulity by her parents A disbelief B surprise

Which is not true about the Digestive system It utilizes different organs to absorb nutrients and breakdown food The mouth is the first in digesting food Its primary purpose is to get rid of waste from the body The large intestine is primarily absorbing water from waste byproduc All of these are correct

8 Scientists can use the principle of superposition to analyze patterns in the fossil record E D C B A Pecten KAUSTR Mucrospirifer Crinoid Crinoid a Based on the diagram what conclusions can you draw about crinoids and mucrospirifers in relation to each other and to pectens Explain your reasoning 3 points b lodine 129 a radioactive isotope has a half life of 16 million years Suppose the rocks within layer D contain 3 125 of the original amount of iodine 129 What does this tell you about the age of the rocks in layer D What conclusion could you draw about pectens 2 points

5 Researchers studying orcas also known as killer whales have observed two different groups forming in the North Atlantic The two groups occupy the same geographic region but they exhibit different traits in terms of size markings and feeding behavior They also appear to occupy different ecological niches Type 1 orcas generally eat fish and other marine life while type 2 orcas feed primarily on other large marine mammals a Describe how the divergence observed by the researchers could eventually lead to the formation of a new species 2 points b Explain how occupying different niches may have played a role in the divergence of the two orca populations 2 points c How would the speciation of orcas affect the biodiversity of

Equus Recent Pliohippus Late Miocene Merychippus Middle Miocene Mesohippus Late Eocene Equine evolution by H Zell cropped CC BY SA 3 0 Creative commons Wikimedia a The ancient horse skeletons and skulls range as far back as 37 million years ago Evidence for evolution comes from different fields or categories of science What category of evidence is represented by these images Provide details of how the evidence supports the theory of evolution 3 points b Horses have four legs and hooves that they walk on Ants have six legs and clawed feet that they walk on Are the legs of these two species analogous or homologous How do you know 2 points

ct example reasoning comparison reasoning causal reasoning Question 16 It is recommended that a speaker when arguing a value claim they should choose which type of pattern s select all that apply causal comparative advantage

Studies show that women are happy with taking on their husband s last name in marriage It makes sense since it has always been this way is an example of which fallacy select all that apply no fallacy committed anonymous authority appeal to tradition false authority appeal to sexism Question 8 If we allow same sex couples to marry then the next thing we know we ll be allowing people to marry their parents their cars and even monkeys This is an example of which fallacy select all that apply appeal to popularity slippery slope no fallacy committed ad hominem no evidence

Video games lead to an increase of violence amongst teens is an example of a O policy claim O value claim factual claim

Write only one of the prefixes that means under

ive species Why is it so successful Part 2 What is the impact of this species on ecosystem health I

Sign reasoning causal reasoning 001 example reasoning comparison reasoning Question 16 It is recommended that a speaker when arguing a value claim they should choose which type of pattern s select all that apply criteria application causal categorical 0 3