Daphnia Heart Rate Vs Substances Lab Report Essays and Term Papers

  • Daphnia Heart rate - Lab Report

    The affect of caffeine on Daphnia Heart rate Aim: To see the effect of caffeine on the heart rate of the water flea Daphnia. Introduction: Caffeine is a stimulant which is derived from leaves, flowers and seeds of plants. The plant uses the caffeine as a way to repel insects as it is used as...

    948 Words | 5 Pages

  • Heart Rate Lab Report

    investigation to show the difference in heart rates before and during intense exercise. Aim: The aim of the investigation was to discover how the heart rate varied with the intensity of exercise. The heart rate is a term describing the regularity of the cardiac cycle. The heart rate is the amount of times it contracts...

    1103 Words | 4 Pages

  • Bio Lab Report Heart Rate

    Lab 1: Heart Rate Lab (Revised Fall 2010) Lab 1. Heart Rate, Physical Fitness, and the Scientific Method Prelab Assignment Before coming to lab read carefully the following pages on the scientific method and then answer the prelab questions at the end of this lab handout. Be prepared to discuss and/or...

    7309 Words | 24 Pages

  • Daphnia Heart Rate and Kcl

    Juanita Sarmiento Daphnia Ecotoxicology Lab Report Introduction Ecosystems have a way of maintaining themselves under ordinary conditions but when a new factor is added that will most likely threaten the environment action needs to be put forth. Our environment is affected by many pollutants...

    1022 Words | 3 Pages

  • Daphnia Heart Rate Experiment

    Experiment Report for: ‘the affect of Caffeine on Daphnia’s heartbeat’ Introduction: Aim: The aim of this experiment is to understand the affect of the drug Caffeine on the rate of a Daphnia’s heartbeat. This is to understand the affect of caffeine on a human’s heart rate and the use of daphnia keeps...

    1574 Words | 8 Pages

  • Heart Rate Daphnia

    will depend on the number of microscopes you have and access to a healthy culture of Daphnia. Students can readily follow this procedure working in pairs. Because of the variability of results between individual Daphnia it is not appropriate to make conclusions from one set of results, so each pair (or...

    2480 Words | 8 Pages

  • daphnia heart rate

    Investigation to Show the Effect of Temperature on Daphnia Plan: I will submerge some daphnia contained in a test tube in water of differing temperatures and measure their subsequent heart rates. Hypothesis I think that the heart rate of the daphnia will increase up until around 40ËšC at which...

    1555 Words | 5 Pages

  • Effect of Caffeine on Heart Rate in Daphnia

    class of compounds called methylxanthines and can block a receptor on the surface of heart muscle cells for adenosine. In fact, it is caffeine's blockade of the A1 adenosine receptor in the heart that causes the heart to pound after a significant caffeine dose. Caffeine and similar compounds also inhibit...

    1288 Words | 4 Pages

  • Daphnia Lab Report

    on the heart rate of daphnia Aim: To find out the effect of different caffeine concentrations on heart rate in daphnia Independent variable: • Caffeine concentration Dependent variable: • Daphnia heart rate Controlled variables: • Size of daphnia • Habitat from which the daphnia is obtained ...

    327 Words | 2 Pages

  • The Effects Of Caffeine On The Heart Rate Of Daphnia

    The Effects of Caffeine on the Heart Rate of Daphnia This lab was designed to show how caffeine affected the heart rate of daphnia after exposing them to different concentrations of caffeine for ten minutes. Caffeine is a stimulant, which, in humans, causes heart rates and blood pressure to increase...

    485 Words | 2 Pages

  • The Effect of Caffeine on the Heart Rate of Daphnia

    Hypothesis: As the caffeine concentration rises, so does the mean heart rate of daphnia. Risk Assessment: In this experiment there are the following risks both for the human that carries out the experiment and the daphnia: ← The human that carries out the experiment should be cautious not to...

    968 Words | 3 Pages

  • Effect of Caffeine on the Heart Rate of Daphnia

    The Effect of Caffeine on Heart Rate Caffeine is made by plants as a way of getting rid of insects. Cocoa is produced in South America, coffee in Africa and tea is produced in Asia have all been used for a very long time to give us a little rush in order to keep us going. Now caffeine is also...

    1344 Words | 10 Pages

  • Daphnia Lab Report

    The Effect of Temperature and Epinephrine on The Heart Rate of Daphnia Leslie Orzetti-Gollhofer Gaby Macias INTRODUCTION The Daphnia is a Crustacean other known as the water flea. It lives in small bodies of freshwater. The Daphnia is ectothermic, meaning it controls its body temperature through...

    542 Words | 2 Pages

  • the effect of caffein on heart rate of daphnia

    A-LEVEL BIOLOGY LAB REPORT NAME: NURUL AYUNI BT SABRI GROUP: 11SC4 TITLE: THE EFFECT OF CAFFEINE ON HEART RATE LECTURER : MDM ZAKIAH BINTI ZAKARIA TITLE The effect of caffeine on heart rate OBJECTIVE To determine the effect of caffeine on heart rate of daphnia INTRODUCTION ...

    3271 Words | 12 Pages

  • Daphnia Lab Report

    THE PHOTOTACTIC BEHAVIOR OF DAPHNIA MAGNA AS AN INDICATOR OF PREDATOR AVOIDANCE Abstract Daphnias Magna have different species, they are planktonic that belong to phyllopoda. The present paper had the purpose to study the phototactic behavior of Daphina Magna or water flea (hereby, the two terms...

    2319 Words | 8 Pages

  • Heart Rate Lab

    Discussion Heart Rate Our hypothesis stated 1.) The heart rate increases substantially when a person performs a physical activity and 2.) Females have heart rates greater than males’. In this experiment we measured the resting heart rates and exercise heart rates of both the male and females...

    889 Words | 3 Pages

  • Heart Rate Lab

    Design Aspect 1: Defining the problem and selecting variables In this lab, we will be studying the difference of heart rate between boys and girls. There are many things that can increase heart rate, such as exercise, drinking coffee, taking certain pills, drinking an energy drink, feeling a strong...

    1153 Words | 5 Pages

  • Lab Report Daphnia

    Effects of Alcohol, Caffeine, and Temperature on the Heart Rate of Daphnia magna Joseph Ezra Gallo BY124L MW 8:30-11:30 Introduction Ectothermic animals are animals whose body temperature is affected by their surroundings. This means that if the environment is cold the animal will be cold. If...

    1868 Words | 7 Pages

  • Heart Rate Lab

    Heart Rate: Assignment Introduction: The lab’s objective was to measure and compare the classmate’s heart rate. While my group’s volunteer was performing the activities correctly, it was difficult to measure the heartbeat and the results were unexpected; there was no significant increase or decrease...

    1240 Words | 4 Pages

  • Biology Lab on Heart Rate

    ! ! Emma Hsieh Lab: Factors that affect heart rate! ! Introduction:! ! Heart rate is the speed of the heartbeat, specifically the number of heartbeats per unit of time. The heart rate is typically expressed as beats per minute (bpm). The heart rate can vary according to the body's physical...

    648 Words | 4 Pages