Biology variant 2 - Study guides, Class notes & Summaries

Chapter 03 Mendelian Inheritance Student: ___________________________________________________________________________ 1. The theory of pangenesis was first proposed by ________. A. Aristotle B. Galen C. Mendel D. Hippocrates E. None of these choices are correct 2. Which of the following is correct regarding the blending theory of inheritance? A. It believed that hereditary traits blended from one generation to the next B. It was possible for th...

why do we bother studying biology at the base of its hierarchal structure - ANSWER-b/c it has elements, atoms, & molecules matter - ANSWER-anything that occupies space & has mass element - ANSWER-a pure substance that can't be broken down by chemical means list the 4 elements that make up 96% of the human body - ANSWER-carbon hydrogen oxygen nitrogen compound - ANSWER-a substance made up of 2 or more elements in a fixed ratio example of a compound in living things and what it con...

Biology Variant 2 2023

Biology Variant 2 2023

CAMPBELL BIOLOGY CHAPTER 1 EXAM QUESTIONS WITH CORRECT ANSWERS. Adaptation - ANSWER-Inherited characteristic of an organism that enhances its survival and reproduction in a specific environment. .Atom - ANSWER-Smallest level of any chemical element, Indivisible .Biology - ANSWER-Study of Life; body of knowledge and an ongoing inquiry process to enhance it .Biology take us - ANSWER-1. Variety of environments to investigate ecosystems 2. to the lab to examine how organisms work 3. Int...

Biology correct answer - The science that studies living things Chemistry correct answer - The science that studies the elements that make up matter, their interactions and physical properties Scientific Method correct answer - A logical approach to testing a problem or question Hypothesis correct answer - An educated guess around which an experiment is designed in order to answer a question about the natural world Experimental factor or variable correct answer - The thing for which ...

Brock Biology of Microorganisms - 15th Edition Chapter 20 - Microbial Ecosystems - Questions and Answers 2023. Microbial Ecosystems. Explain three reasons why bacteria form biofilms. Answer: Biofilms allow bacteria to live in close association with each other, which can be beneficial for nutrient and genetic exchange. They are also a means of microbial selfdefense that increase survival. Another advantage of cells being in a biofilm is that they remain in a niche through attachment. 2. Disti...

What is genetics? - Answer- study of genes and what they do; branch of biology that deals with heredity and variation root of the natural diversity that we observe among members of the same species as well as among different species - Answer- Genetic variation Gene - Answer- "Unit of heredity", usually described according to the way it affects the traits or characteristics of an organism How many genes are there? - Answer- Around 30,000-35,000 How much of the genome is coded for? -...

Campbell Biology Chapter 33 Study Guide with Complete Solutions Invertebrates - Answer️️ -Animals without a backbone. About 95% of known animal species. Calcarea and Silicea - Answer️️ -phylum that includes sponges; no symmetry, tissues, body cavity, organs, nervous system; basal animals; mostly marine; contain spicules; most are hermaphrodites; free-swimming during larval stage and sessile (non motile) as adults; suspension/filter feeders Suspention feeders - Answer️️ -small...

DAT Biology Questions erythrocytes contain _____ on their surface - ANS Antigens antigens (a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.) Erythrocyte-a red blood cell that (in humans) is typically a biconcave disc without a nucleus. Erythrocytes contain the pigment hemoglobin, which imparts the red color to blood, and transport oxygen and carbon dioxide to and from the tissues. chitin is a structura...