The Living World Questions and Answers

4 What is an electrical synapse

3 What are neurotransmitters Include an example

2 What part of the nerve cell is on the pre synaptic side hint the neuron that transmits the signal to the dendrite 1 mark

2 Inside the leech what type of blood is visible

1 Biology scientific study of life CELL SYSTEM OF ORGANS ORGAN TISSUE CELL ORGANELLES MOLECULE ATOM ORGANISM BOMA POPULATION HERE BIOCENOSES ECOSYSTEM 2 Science Any method of learning about the natural world that follows the scientific method TUTUTUTUT 1

When two organic compounds bond together their valence shells are fulfilled in what is called a A rehydration reaction C dehydration reaction B dessication reaciton D hydroxyl substitution

21 Listen The reason that the steroid hormone aldosterone affects only a small number of in the body is that O it is unable to enter nontarget cells only its target cells contain aldosterone receptors nontarget cells convert aldosterone to a hormone to which they do respond only its target cells get exposed to aldosterone nontarget cells destroy aldosterone before it can produce any effect

Describe how protection of an umbrella species can benefit an entire ecosystem

What did the Yosemite Grant of 1864 accomplish TONER 10000 H

If the population of an indicator species is increasing what might you infer about the conditions of the ecosystem

List 2 examples of nonrenewable resources you use regularly

Describe how pollution can cause acid rain and how acid rain affects the ecosystems of surrounding areas

Would a buffalo or a mountain lion be more affected by biomagnification Explain

Give an example of how technology has influenced human population growth

Which two statements describe adaptations in unicellular and multicellular organisms A Both multicellular and unicellular organisms can have adaptations that help them move and survive B Unicellular organisms can have structural adaptations but only multicellular organisms can have behavioral adaptations C Unicellular organisms cannot have structural adaptations because they are made of only one cell D Both multicellular and unicellular organisms can have behaviors that help them avoid danger or capture prey

On this image the liver has been removed to show the spongy lungs that lie close to the heart Blood travels to the heart then to the lungs and then back to the heart before being pumped to the body 10 Drag the green arrows to indicate the left and right lung on either side of the heart Use the red arrow to indicate the ventricle of the heart And the blue arrow to show the atrium

Use tweezers to lift the right lobe of the liver and reveal the sac like gallbladder that lies underneath it One of the many jobs of the liver is to produce bile This bile is stored in the gallbladder Also laying partially under the liver is the curved stomach which leads to the straight section of the small intestine called the duodenum Within the interior curve of the stomach is the pancreas which is a gland It appears stringy or web like in the preserved frog 11 Label the underlined structures on the image

List two key characteristics of the four racial groups and the one ethnic group in the united states

How is diversity defined in terms emerging majorities

After the asteroid impact granite flowed as a liquid to form the Peak Ring of the Chicxulub Crater O True O False Question 12 What is the name of the mineral altered by tremendous pressure O scared quartz O shocked quartz hysterical quartz 5 pts

2 2 4 Quiz Population Genetics The histogram shows a population s distribution of phenotypes Number of individuals Mode Phenotype value Which graph shows how this population s distribution of phenotypes would appear after directional selection

Which of the following syntax for window functions is accurate SELECT AVG SALARY OVER PARTITION BY DEPARTMENT ID ORDER BY SALARY AS TOTAL SALARY FROM EMPLOYEES SELECT AVG SALARY OVER ORDER BY SALARY PARTITION BY DEPARTMENT ID AS TOTAL SALARY FROM EMPLOYEES SELECT AVG SALARY OVER PARTITION BY DEPARTMENT ID ORDER BY SALARY AS TOTAL SALARY FROM EMPLOYEES SELECT AVG SALARY OVER BY PARTITION BY SALARY ORDER BY DEPARTMENT ID AS TOTAL SALARY FROM EMPLOYEES

The process of giving full attention to the person speaking and responding to make sure you are understanding the speaker s message correctly is called Active Listening Accommodating Active Communication

What do carbohydrates NOT contain a Carbon b Hydrogen c Oxygen Jhy

An individual develops a mutation that leads to pigment loss The individual later has offspring with another individual Which sentence describes the mutation OA If it occurred in a gamete it can be passed to the offspring B If it occurred in a somatic cell it can be passed to the offspring C If it occurred in only one parent s gamete the offspring cannot inherit it D If it occurred in all of the individual s gametes it won t occur in the offspring

As body size decreases in animals there is greater variability in metabolic rate Oit becomes easier to conserve body warmth in cold environments migration to tropical areas becomes necessary for thermoregulation digested food Othere is an increase in the surface area to volume ratio reproduction becomes limited to terrestrial environments Question 5 1 point Listen

Listen How do the microvilli on the absorptive epithelia of the small intestine enhance nutrient absorption Othey help protect the intestinal lining from abrasion Othey pump wastes into the lumen while pumping nutrients toward the blood they contain thick and thin filaments to help absorb molecules they move back and forth to keep food moving in the digestive tract they have a large amount of surface area that is in contact with digested food

ase the effectiveness of exchange surfaces lining the lungs and the intestines evolutionary pressures have increased the volume of the cells in these linings increased the number of cell layers in these linings increased the exchange surface area with folds and branches increased the thickness of the membranes in these linings decreased the metabolic rate of the cells in these linings Question 3 1 point

Open systems A do not exchange energy with other systems B rarely exchange matter or energy with other systems C do not exchange information with other systems D exchange matter with other systems 2023 iternational Academy of Science All Rights Reserved

4 Listen Which of the following is unique to echinoderms Oradial symmetry Oradial canal Odeuterostome development a coelom

Which of the following is NOT a deuterostome a goldfish O a sea star O an earthworm a human

Which of the following is unique to echinoderms radial symmetry tube feet deuterostome development colom

Which of the following is a Deuterostome Osea star earthworm clam grasshopper

A forearm B thigh OC leg D arm Question 4 1 point Listen Before putting away the microscope in the storage cabinet you must observe al the following except OA remove the slide from the stage OB clean the lenses C wrap the cord around the microscope

A hypothetical species of plant has flowers whose color is controlled by a single gene with two alleles red R and yellow Y where heterozygous individuals are orange A population of 3190 of these plants includes 612 plants with yellow flowers and 819 plants with orange flowers Assuming HWE what would be the expected number of individuals with the RY genotype 1389 1286 1474 1531

How does the presence of arteriosclerosis in a person with cardiac issues interfere with the role of TPR and increasing blood flow

are discs of fibrocartilage that improves the fit of bone ends to stabilize the joint and reduce wear and tear menisci fatty pads tendon sheaths bursae

a second class lever a fourth class lever a third class lever a first class lever Question 32 1 5 points 4 Listen A Select whether each of the following is true for smooth muscle or skeletal muscle synchronized contractions due to gap junctions that spread action potentials to all fibers innervated by the autonomic nervous system each fiber is innervated by 1 smooth muscle 2 skeletal muscle

ATP energizes the sliding process actin and myosin interact by the sliding filament mechanism the site of calcium binding site differs the trigger for contraction is a rise in intracellular calcium skeletal muscle in that Question 22 2 points Listen All of the following are true of smooth muscle EXCEPT there are noncontractile intermediate filaments that attach to dense bodies within the cell O it appears to lack troponin Othere are no sarcomeres mo thick filaments than thin filaments

results in recruitment increased contractile speed unfused tetanus wave summation Question 10 2 points Listen ctions increasing the strength of stimulation Match the type of contraction with its definition The muscle is able to develop enough tension to move the load so the muscle changes length The load on the muscle exceeds the muscle s maximum tension developing capabilities so V 1 Isometric contractions 2 Isotonic contractions

interphalangeal joints joints that permit angular movements cartilaginous joints where hyaline cartilage unites bones amphiarthrotic joints designed for strength and flexibilitu

6 In contrast to traditional treatment planning person centered planning focuses on O O O The person s social deficits The person s functional limitations The person s strengths and abilities The person s problems and inabilities 7 An individual identifies their primary goal as spending more time with their friends The person s treatment team members feel that the person would be better served by getting a job Using a person centered planning approach what should the primary focus be when writing this individual s plan Getting a part time job to ease them into the workplace Obtaining a full time job Decreasing symptoms and improving stability Increasing time spent with friends

8 When involved in a person centered planning process the professional team members and the person Must come to an agreement on all decisions before being written into a plan O Are encouraged to develop plans that protect the person from taking risks O Are collaborators and partners in developing goals that are meaningful to the client Should only document things that the O professional team member is comfortable discussing

False confession is a huge problem in the US it s estimated to be a factor in approximately 15 25 of wrongful convictions Frenda et al 2016 had college students complete computer tasks they were repeatedly warned not to hit the Escape key because that would delete all the data Afterward half were randomly assigned to sleep in a bedroom at the lab while the other half stayed up all night The next day all participants were falsely accused of hitting the Escape key in fact none of thern had actually done so and asked to sign a statement admitting to this They found that 50 of the sleep deprived participants signed the confession after being asked only once in other words nobody was yelling at them or repeatedly pressuring thern Among the participants who got sleep 18 confessed Frenda S J Berkowitz S R Loftus E F Fenn K M 2016 Sleep deprivation and false confessions Proceedings of the National Academy of Sciences of the United States of America 113 8 2047 2050 https doi org 10 1073 pnas 1521518113 Answer all of the questions below a Was this basic research or applied research Explain your reasoning in 1 2 sentences b Was this study experimental quasi experimental or correlational Explain your reasoning in 1 2 sentences c Identify the independent and dependent variables d What is one limitation of this study In other words you either identify a one thing you think they should have done differently with their method and why or b what is a variable that you think they should have considered and why You should take 1 2 sentences to describe the limitation and another 2 3 sentences to explain why it s a limitation

Claire designed a new personality test Her participants took her test twice and got the same results each time However their scores failed to correlate with other well established measures of personality and did not predict people s actual behavior Based on this we can conclude that Claire s test was valid but not reliable

X S m ed What literary device is the author using in describing the behavior of the cactus near the beginning of O Henry s The Cactus 11 among its soft convolutions he did not feel the prick of the thorn that was to pierce him later A Foreshadowing B Metaphor C Hyperbole

5 9 Question 8 1 point Listen Which stage of cell division is shown in the picture IN N Metaphase I Prophase Metaphase Metaphase 2

Test Calcium Phosphorus Alkaline phosphatase Total protein Albumin Vitamin B12 Folate the Schilling Xylose test Urine on Admission Albumin Glucose Blood RBC Result 15 065 210 50 28 100 221 42 43 5 excreted 1354 trace negative positive a Iron deficiency anemia b Vitamin B12 and Folate results c Urinary blood loss Reference Interval 21 2 62 mmol L 08 1 45 mmol 1 d Schilling test results 115 UL 6045 L 35 55 L The blood smear indicated macrcoytic red blood cells Which tests support the smear evaluation 166 738 pmd 1 475 2220 L 1 absorption 334 Brindh negative negative negative negative

Listen KATADYN High pressure True False High pressure Flow of seawater Hollow fibers of semipermeable membrane Water molecule Solute particles Pure water to collector Using the image above answer TRUE or FALSE regarding the statement below The picture above is a desalination process called reverse osmosis where semipermeable membranes force solutes out of the solution allowing pure water to pass through the membrane

During the 1940s Lebanon became its own nation when it received its independence from whom A Great Britain B France C United States D Germany