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what is the peppered moth an example of - camouflage what does camouflage do for an organism? - allows it to blend into natural environment and hide from predators what happened to tree color in industrial revolution? - got darker due to soot what happened to pepper

In science, a theory - encompasses many hypotheses. Convert 0.25 liters to ml. - 250 ml Convert 0.75 g to mg. - 750 Which of the following can hold about 2 kiloliters of water? - a pool Scientists were studying temperature selection among pregnant big brown bats. What would the test group be in this experiment? - pregnant bats Robert, an aspiring scientist in a biology class, wanted to conduct a study on the effects of cigarette smoke on the web-building ability of spiders. Which of the f...

What is a good, brief definition of evolution as relevant to biology? - Change over time in the characteristics of a population Does the theory of evolution imply a particular mechanism (yes/no)? - No What phrase did Darwin prefer to the word evolution? - Descent with modification Prior to the formulation of the idea (not really a theory yet) of evolution species were viewed as ___. - Species were unchanging How did Aristotle rank species in his ladder of Nature? - Proximity to perfection ...

which of the following statements regarding a DNA double helix is always true? - the amount of adenine is equal to the amount of thymine, and the amount of guanine is equal to the amount of cytosine working in a coroner's office, you are investigating the mysterious death of a person found in the wooded area in the spring of the year. during a cellular analysis of this body, you learn that the levels of mRNA that can be obtained from critical tissues are very low, and you find mushrooms in...

The cardiovascular center is located - medulla oblongata All deoxygenated blood returning from the systemic circulation flows into the: - Right Atrium Which of the following layers of the pericardium is the dense connective tissue structure that plays an important role in protecting the heart and keeping it in place in the mediastinum? - Fibrous pericardium Degradation of the chordae tendineae would most likely result in - Valvular Prolapse (valve fails to close properly) Max, a 16 year o...

What does the pancreas produce - insulin and glucagon What secretes digestive enzymes into small intestine analyze hormones to travel all over body - Exocrine Which hormones do the anterior pituitary (adenohypophysis) produce - GH ACTH TSH FSH LH PRL What hormones do the posterior pituitary (neurohypophysis) produce? - Oxytocin (OT) ADH (antidiuretic hormone) How are hormones released - Hypothalamus and pituitary glands What is the length of the nervous and endocrine system - The h...

What is the storage form of glucose in plants/humans? - Glycogen Glycogen is synthesized and stored? (Where is it found) - Liver and Muscles What is the next level of organization after a cell? - Tissue What is the next level of organization after Tissues? - Organ What is the next level of organization after Organs? - Systems What are the 4 major tissues? - CT, ET, MT, NT T OR F: An organ is composed of 2 different types of tissue - TRUE If I say axilla you say? - Armpit Atomic # is meas...

what structure in skeletal muscle permits action potentials to penetrate deep into the muscle cell? - T-tubules what molecule initiates cross bridge cycling in skeletal muscle by binding to troponin? - Ca++ the link between actin and myosin in skeletal muscle is broken when the myosin head binds a molecule of ____ - ATP During skeletal muscle contractions, factor(s) that influence whole muscle tension are ____, _____, ____ - # of motor unit recruited, length of fiber at onset of contractio...

How are anatomy and physiology related? - Anatomy is the study of the internal and external parts of the body. Physiology is how living organisms perform their vital functions. List and describe the specialties of anatomy. - Gross anatomy/macroscopic anatomy examines large, visible structures: -surface anatomy: exterior feat. -regional anatomy: body areas Systematic anatomy: groups of organs working together (skeletal system) -Developmental anatomy:from egg to maturity -clinical anatom...

Define metabolism: - the chemical processes that occur within a living organism in order to maintain life. What is the study of the bodies structure? - Anatomy What is the study of the bodies function? - Physiology Your ankle is ____ to your thigh? - Distal The elbow is ____ to the wrist? - Proximal If you were to get hurt in the popliteal area, where would the Dr. need to check? - Knee What plane divides the body into left and halves? - Sagittal plane A broken leg would be damage to wha...

What is the difference between a microorganism and an organism? - Microorganisms are organisms that cannot be seen with the naked eye. What is an organism, according to your textbook? - Any living entity composed of one or more cells. Which of the following statements about Percival Lowell's conclusions is correct? Mark all that apply. - Lowell was wrong about there being a vast civilization of intelligent creatures on Mars. Lowell was right that the white areas he observed at the poles co...

The apex of the heart is located - 5th intercostal space Which layer of the heart allows it to act as a pump? - Myocardium What is the apex of the heart? - The tip of the heart, pointing down towards the left 5th intercostal space. Which layer of the heart wall contains the epicardium? - Pericardium What surrounds the heart? - Pericardium What is related to the mitral valve (tricuspid valve)? - Bicuspid valve Which of the following contains oxygenated blood? - Left Atrium, Pulmonary veins...

What does the cell theory state? - 1. all organisms are made up of cells 2. cells are the basic units of structure and function in organisms 3. cells come only from preexisting cells because cells are self-reproducing All cells include what 4 things? - 1. DNA 2. Cell membrane 3. Cytoplasm 4. Ribosomes What is the central dogma? - It's the basic flow of information in a cell, it's the two step process of transcription and translation by which information in the genes flow into prote...

what are pneumatophores good for? - oxygen uptake what macronutrient helps with plant growth? - nitrogen deficiency of which mineral causes purplish coloration of the leaves? - phosphorus why can it be difficult for a plant to get access to cations in the soil? - clay is often negatively charged and tightly binds to cations which can make it difficult for the plant to take these ions up what protein causes a reddish color in plant tissue? - leghemoglobin what is leghemoglobin needed for in...

What is the difference between blood and hemolymph? - Blood: In a Closed circulatory system and is confined to vessels. Hemolymph (AKA interstitial fluid): In an Open circulatory system and bathes the body cells. What are the major types of blood cells? - red and white cells What adaptations allow an animal to use diffusion across its skin as the only mechanism for gas exchange? - The animal must be thin and have a large surface area. Animals that only diffuse across the skin have a dense ...

Which of the following statements is most likely to be true? - Water flows into the direction of the lowest water potential. Plasmolysis is a cellular loss of water. How can a cell potentially prevent this? - Increasing the cytoplasmic solute concentration What is correct about stomata movement control? Pick the Best. - Two of the above. Which tissue will an aphid quite specifically try to suck on? - Phloem The water potential in the root of a plant is higher (more positive) than that in t...

Translation - Cellular components are able to read the genetic message in mRNA and translate the message into specific primary amino acid sequence of a protein How does tRNA structure allow for SPECIFICTY in translation? - 1. Plays critical role in ENABLING the translation of the information 2. Each type of tRNA molecule is not identical and can translate a specific codon into a specific amino acid What is the structure of tRNA? - - single RNA strand (70-90 nucleotide length) - four doub...

The function of which type of cable is to provide interconnections between equipment rooms and telecommunications rooms? - Backbone cable The main components of backbone cabling are cabling pathways, cables, miscellaneous support facilities and which of the following? - Connection hardware What is the maximum length of a patch cord? - 16.4' You are installing horizontal structured cabling in an open office environment with modular furniture. You are using category 6A cabling. You have to ...

The 2 main considerations concerning the existing cabling are? - Grandfathered system Abandoned cable 11-25 The type of cutover where cross-connects are relocated one pair after another until completed is called a - rolling cut 11-28 Which practice involves moving the customer to a temporary office space until their section of the retrofit is completed and then moving them back to their recabled office space? - Swing space phasing Which of these testers would you clamp around a strand o...

What is the 1st step you should take to safely assist an injured person during an emergency? - Survey the Scene When Surveying a Victim what does the B in ABC stand For? - Breathing When do safety codes normally require the use of a GFCI? - Extension Cords & Temporary Wiring What Ladder Materials Can be used around electricity? - Wood, Fiberglass & NonConductive How far should the base of an extension ladder that is extended 12m(40ft) up be placed from the surface it is positioned against?...