Bio 103 Study guides, Class notes & Summaries

BIO 103 Exam 1 Questions and Answers Already Passed What principle explains that every living organism is composed of cells, and cells can only come from other cells? cell theory How would you define an educated guess made to explain a phenomenon? Provide an example. A hypothesis. Example: -Leaves reflect green light more than other colors. -Leaves do not utilize green light for photosynthesis. What term describes a well-substantiated explanation of some aspect of the natural ...

BIO 103 Chapter 6, 7, & 8 Exam Questions with Verified Solutions What is the definition of energy in the context of science? a. The ability to change something b. A type of chemical reaction c. The capacity to do work d. A measure of temperature At what conditions do enzymes work most effectively? a. Only at extreme temperatures and pH levels b. At all conditions, regardless of temperature and pH c. At a specific pH and temperature d. Only at high temperatures and acidic con...

fixed action pattern - Answer-a sequence of unlearned acts directly linked to a simple stimulus sign stimulus - Answer-External sensory stimulus that triggers a fixed action pattern. how do birds know where to migrate? - Answer-1. relative to the sun 2. landmarks 3. stars 4. magnetic field cirannual rhythms - Answer-behavioral rhythms linked to the yearly cycle of seasons circadian rhythm - Answer-the biological clock; regular bodily rhythms that occur on a 24-hour cycle signal - Answer-...

fixed action pattern - Answer-a sequence of unlearned acts directly linked to a simple stimulus sign stimulus - Answer-External sensory stimulus that triggers a fixed action pattern. how do birds know where to migrate? - Answer-1. relative to the sun 2. landmarks 3. stars 4. magnetic field cirannual rhythms - Answer-behavioral rhythms linked to the yearly cycle of seasons circadian rhythm - Answer-the biological clock; regular bodily rhythms that occur on a 24-hour cycle signal - Answer-...

Interphase - cell grows, performs its normal functions, and prepares for division; consists of G1, S, and G2 phases G1 phase - the cell grows in size and organelles double in size S phase - DNA replication ("S"= synthesize) G2 phase - cell growth, production of enzymes and other proteins two categories of mitosis - 1. karyokinesis (division of cell nucleus) 2. cytokinesis (division of cytoplasm) prophase - 1. chromatin condenses to form chromosomes; nuclear membrane and nucleoli disapp...

BIO 103 Final Study Guide (18, 23, 24, 25, 26) Questions and Answers 100% Pass What is a change that occurs in an organism over time to enhance its survival and reproductive success? An evolutionary adaptation. What causes similarities in characteristics between different species? Homoplasy, which is the result of convergent evolution rather than common descent. What allows a population to change over time? Natural selection. What are two geological processes common ...

BIO 1033 Final Exam Broc Questions and Answers Already Passed What are some fundamental features that define living organisms? - A) Possessing a backbone, high intelligence, and fast reproduction - B) Ability to evolve over time, respond to stimuli, and use energy - C) Having a complex nervous system, breathing air, and living in water - D) Possessing wings, fur, and a warm-blooded system Explanation: Characteristics of life include being made of cells, responding to stimuli (ho...

Queens Bio 103 Review 2024 Questions and Answers Already Passed Describe a sequence of instinctual behaviors triggered by a specific stimulus. Fixed action pattern What is the term for an external cue that initiates a fixed action pattern? Sign stimulus How do birds navigate during migration? 1. By the sun 2. Using landmarks 3. By the stars 4. Through the Earth's magnetic field What are behavioral rhythms associated with the changing seasons? Cirannual rhythms What term re...

BIO 103 Lecture Exam 5 Study Guide Questions with Verified Solutions What field of study involves the naming and classification of organisms? Taxonomy Who is commonly known as the "Father" of Taxonomy? Carolus Linnaeus Describe binomial nomenclature. Each species receives a unique two-part name: the first part, the genus, is a noun; the second part, the species, is an adjective modifying the noun. What are the rules for scientific naming? 1. Names are typically Latinized. 2. Con...

Biology - The study of life. Botany - The study of plants. Zoology - The study of animals. Anatomy - The study of body form and structure. Physiology - The study of bodily function. Ecology - The study of interaction of organisms with each other and their environment. Biochemistry - The study of chemical reactions as they relate to living things. Taxonomy (taxo = put in order, nomy = law or rule) - The science of identifying and classifying organisms according to certain guidelines. Cla...