The Living World Questions and Answers

Perform the indicated operations Give the answer to the correct number of significant digits 1 Add 2 Add 3 Add 9 54 g 6 578 g 10 02 g 8 55 mL 11 6 mL 20 0 mL 480 km 24 07 km

What makes an atom electrically neutral A There are equal numbers of protons and electrons B There are far more neutrons than electrons C Protons and electrons are replaced by neutrons D There are many more electrons than either protons or neutrons

Read the scientific paper titled Clinical and Epidemiological Feature of Neurotoxic Shellfish Poisoning in North Carolina and answer the following questions 10 What is NSP 11 What is red tide and what causes it 12 How many people were in the study 13 What type of shellfish had the people eaten

erstand the Nature of Science Understand that science investigations use a variety of methods and do not always use the same set of procedures understand that there is not just one scientific method Science findings are based upon evidence Dinosaur Scene Observation and Inference Worksheet A time machine has been invented that travels into the past and takes pictures sending them to the present You are asked to look at one of the pictures and interpret what you see 1 The volcano is erupting 2 The camptosaurus is going to eat the stegosaurus 3 The stegosaurus will run into the water to escape 4 The camptosaurus is leaving tracks in the ground 5 The ground where the camptosaurus is walking is wet 6 There are plants growing in the water 7 The camptosaurus is going into the water to eat the plants 8 There is a tree growing next to the river 9 The tree looks like a palm tree 10 The climate is warm 11 The stegosaurus is eating the plant 12 The stegosaurus is an herbivore 13 There are bones from a dead animal by the shore 14 The camptosaurus killed the animal 15 Some more bones are in the water 16 The camptosaurus can t swim and will drown 17 Lava is corning down the sides of the volcano 18 The camptosaurus has sharp teeth for eating meat A Observation B Inference A Observation B Inference

are based upon evidence that there is not just one scientific method Each sentence below describes a step of the scientific method Match each sentence with a step of the scientific Can You Spot the Scientific Method Worksheet method listed below A Recognize a problem B Form a hypothesis C Test the hypothesis with an experiment D Draw conclusions a variety of methods and do not always use the same set current traveled through the soil in which they were planted 7 Stephen predicted that seeds would start to grow faster if an electric 8 Susan said If I fertilize my geranium plants they will blossom 9 Jonathan s data showed that household cockroaches moved away from raw cucumber slices 10 Rene grew bacteria from the mouth on special plates in the laboratory She placed drops of different mouthwashes on bacteria on each plate mollused left handed and how many were right handed 11 Kathy used a survey to determine how many of her classmates were 12 Jose saw bats catching insects after dark He asked How do bats find the insects in the dark 13 Justin wondered if dyes could be taken out of plant leaves flowers and stems 14 Alice soaked six different kinds of seeds in water for 24 hours Then she planted the seeds in soil at a depth of I cm She used the same amount of water light and heat for each kind of seed 15 Bob read about growing plants in water He wanted to know how plants could grow without soil A Recognize a problem B Form a hypothesis C Test the hypothesis with an experiment D Draw conclusions 16 Kevin said If I grow five seedlings in red light I think the plants will grow faster than the five plants grown in white light 17 Angela s experiment proved that earthworms move away from light 18 Scott said If acid rain affects plants in a particular lake it might affect small animals such as crayfish that live in the same water 19 Michael fed different diets to three groups of guinea pigs His experiment showed that guinea pigs need vitamin C and protein in their diets

Question 6 KESULINA HERRE Which of the following is not a hu O Mass producing antibiotics

re 10 multiple choice questions on time limit You can take this quiz 2 t Question 7 Which of the following is not cons

can take this quiz 2 times hi estion 4 microorganisms are best defined as org cause human disease can only be found growing in laboratories

Question 3 Which activity is an example of bio O Public health officials monitoring dis O Escherichia coli producing human in

xplain axonal transport

11 An example Cam

7 An example of O A managing fe

Photo by Chris Stenger Unsplash Why is the mode of nutrition of the organism shown in the picture O Transforms light into organic molecules in the presence of oxygen O Transforms light into organic molecules in the absence of oxygen O Transforms inorganic chemicals into organic molecules O Ingests organic molecules and transforms them into ATP

evriting times a 23 My Activities Question 15 Points 1 What can be inferred from the following passage taken from the essay The Dancing Plague of 15187 The more citizens this unusual plague afflicted the more desperate the privy council became to control it Oit s a factual statement Oit is an example it is an extended definition All of the choices Tell me what you want to do Congre Laser PATRAMEN Oniging

To what category does this amino acid belong Note that the non ionized form is shown H H T N C C H H N CH C 11 O 11 OH polar uncharged non polar polar positively charged polar negatively charged

Why isn t water a good buffer The concentrations of H and OH at equilibrium are too low Water is a good buffer Because there is no conjugate base A in the case of the acid HA which you need in addition H to be a buffer Because the pH of water is 7