“Sea Urchins Reveal Medical Mysteries” By Cristina Calenstani This article,” Sea Urchins Reveal Medical Mysteries” by Cristina Calenstani from Science Daily informs us about how sea urchins contain the same kind of genetics found in humans. This article falls into the category of evolution and genetics in biology. This article on sea urchins also include how these similar genetics can be used to inform us more about Alzheimer’s disease, Parkinson’s disease, cancer, and muscular dystrophy. “ Sea Urchins Reveal Medical Mysteries” discuss how sea urchins and humans share over 7,000 of the same genetics. The sea urchins are used by Biologists to unlock the mysteries of human diseases such as cancer.
Jack Xia 2nd period A day Apes Effect of pH on Crayfish Growth Ecostudy In this study, the effect of ph on crayfish growth will be investigated. This experiment will help scientists understand how different levels of PH can have a negative or positive effect on organisms, specifically crayfish. This study could ultimately help scientists further understand the importance of wetlands and how environmental changes in the wetlands can affect the organisms that live in it. The experiment itself will analyze the effects of PH’s on the growth of crayfish by conducting a careful, controlled experiment that specifically targets the two variables. In this experiment, the PH is the independent variable, as it is predetermined based on the experiment and is not effected by anything else.
The streak plate technique is done to isolate a colony formed by a single cell from a mixture containing millions of cells. The streak plate technique was also used to obtain pure cultures of the bacteria using a trypticase soy agar (TSA) plate and was incubated at 37 ̊ for 48 hours. Secondly a Gram stain was performed as directed from exercise 6in the lab manual (Kleyn 37) and was found to be Gram negative Rods. The Gram stain is important to do because it reveals the morphology of the organism and the arrangement of the cells; if an organism appears purple under a microscope then it is said to be Gram positive, and if it
Construct a hypothesis – Based on your observation in question 1 and your background research in question 2, develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water? Answer = I would test the dissolved oxygen in different areas of water, keep track of the fish in those areas and compare the results. 4. Test with an experiment – Describe an experiment that would allow you to test your hypothesis from question 3. This description must provide ample detail to show knowledge of experimental design and should list the independent and dependent variables, as well as your control.
Shubin shows how fin structures of fish like Tiktaalik mark the beginning of the evolution into the mammalian paw and opposable thumb structures in the hands of today’s primates. The significance behind Tiktaalik is how it proved to be the missing link which greatly shows the transition from fish who swim, to four-legged vertebrates. Neil also states that all creatures in the world are built similarly to one another. Creatures such as whales, birds, and humans have single arm bones that each lead to two others, that connect to fingers or our toes. In us humans, this shows up in the humorous, and they go through the radius and ulna into our wrist bones and fingers.
A2 Applied Science (Biology) Unit 7: Planning and carrying out a Scientific Investigation TASK 1: Research Outline___________________ TASK 1: Research Outline___________________ Introduction to the Unit …………………………………………………………………. Page 3 Purpose and Objective of the investigation ……………………………………. Page 3 TASK 2: Research Plan____________________ TASK 2: Research Plan____________________ Client Group ………………………………………………………………………………….. Page 4 Grant Chart ……………………………………………………………………………………. Page 5 Basic Research (TCP, Dettol and E.coli bacteria) ……………………………… Page 5-7 Preparing my experiment ………………………………………………………………..
This means that there were 2.2 animals per pellet. The information from the class told us that owls have a varied eating regiment. There were 11 different species found within the 25 different pellets. The numbers varied however. For example, The class ended up discovering 17 Townsend voles, being the most found species, and found only 1 Creeping vole and 1 Coast mole (those being the least discovered).
The Effect of Water Temperature on the Breathing Rate of Goldfish Introduction The scientific method of problem solving is a method that scientist use to predict and provide evidence to back up a certain experiment. The scientific method of problem solving consists of a series of steps that must be completed. The first step is to recognize the problem, observe the thing the experiment will be conducted on, and gather data. The second step is to form a hypothesis,which is a educated guess, which is formed after the gathering of data from the observation. The third step is to test your hypothesis by experimenting and recording data to determine if the hypothesis solves the problem or not.
labatory #4 | Pill Bug Behavior Lab | BIO 101 | | Jordan Deskins (partners with Adryan Cheeseboro) | 10/30/2014 | Objectives: * Conduct experiments examining the responses of Armadillidiiade (“sow bugs ”) to the environmental factor of texture * Design and conduct an investigation of animal behavior * Develop basic experimental design skills For this experiment we want to determine if “sow bugs” gravitate more towards a rough or soft texture when place into a choice chamber. Pill bug research: Pill bugs are crustaceans, and not insects; they’re related to organisms such as lobsters, and breathe through gills. They also have five sections of hard exoskeleton. Other characteristics of the pill bug are that they
THE ANATOMICAL RECORD 290:507–513 (2007) Anatomical Adaptations of Aquatic Mammals JOY S. REIDENBERG* Center for Anatomy and Functional Morphology, Department of Medical Education, Mount Sinai School of Medicine, New York, New York ABSTRACT This special issue of the Anatomical Record explores many of the anatomical adaptations exhibited by aquatic mammals that enable life in the water. Anatomical observations on a range of fossil and living marine and freshwater mammals are presented, including sirenians (manatees and dugongs), cetaceans (both baleen whales and toothed whales, including dolphins and porpoises), pinnipeds (seals, sea lions, and walruses), the sea otter, and the pygmy hippopotamus. A range of anatomical systems are covered in this issue, including the external form (integument, tail shape), nervous system (eye, ear, brain), musculoskeletal systems (cranium, mandible, hyoid, vertebral column, flipper/forelimb), digestive tract (teeth/tusks/baleen, tongue, stomach), and respiratory tract (larynx). Emphasis is placed on exploring anatomical function in the context of aquatic life. The following topics are addressed: evolution, sound production, sound reception, feeding, locomotion, buoyancy control, thermoregulation, cognition, and behavior.