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59 Cards in this Set
- Front
- Back
1) ___years ago, the Earth formed
2) life originated____ 3) the first living cells were ___ 4) ___led to the evolution and to the ancestor of the Archaebacteria and Eukaryotes |
1) 4 billion years ago
2) more than 3.8 billion years ago 3) prokaryotes 4) divergence |
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What are the 5 eras in the history of life?
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The history of life spans five intervals of geologic time
1) The Archean Era 2) The Proterozoic Era 3) The Paleozoic Era 4) The Mesozoic Era 5) The Cenozoic Era |
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What is the most important event in each era?
1) The Archean Era 2) The Proterozoic Era 3) The Paleozoic Era 4) The Mesozoic Era 5) The Cenozoic Era |
1) oxygen-reproducing cells
2) the first EUKARYOTES appear 3) the occupation of the land; the PERMIAN MASS EXTINCTION (caused by volcanic eruptions) 4) the age of reptiles; the CRETACEOUS MASS EXTINCTION (caused by large meteor) 5) the age of mammals |
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The history of life spans __ intervals of geologic time: (not in order)
1) the age of reptiles 2) the age of mammals 3) the first eukaryotes appear 4) the occupation of the land 5) oxygen-reproducing cells appear |
5 intervals of geologic time
1) the mesozoic era 2) the cenozoic era 3) the proterozoic era 4) the paleozoic era 5) the archean era |
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1) The Permian mass extinction was caused by ___ in the __era
2) The Cretaceous mass extinction was caused by __to make ___in the ___era |
1) enormous volcanic erruptions; paleozoic era
2) a large meteor; dramatic climate changes; the mesozoic era |
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What is characteristics of animals?
1) they are ___ 2) their cells___ 3) ___tissue-unique to animals 4) they are ___-eat__ 5) ___respiration 6) most animals reproduce __-with the __stage usually dominating the life cycle 7) __-life cycle |
1) muticellular eukaryotes
2) lack cell walls 3) nervous & muscle tissue 4) heterotrophs; eat other foods 5) aerobic (oxygen) 6) sexually; diploid 7) motile |
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Animals can be characterized by ____:
**name the types of symmetry/examples |
"body plans"
1) asymmetry (e.g. sponge) 2) radial symmetry (e.g. hydras, jellyfishes) 3) bilaterally symmetric (e.g. human) |
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Bilaterally symmetric (e.g. human)
1) top side (__) 2) bottom side (__) 3) __/__side 4) __/__side 5) ____ |
1) dorsal
2) ventral 3) left/right 4) head/tail 5) cephalization |
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1) Fate of the ___(the opening of the embryo)
2) In the ___, the __gives rise to the anus 3) In the ___, the mouth arises from the ___ |
1) blastopore
2) deuterostomes; blastopore 3) protostomes; blastopore |
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People use _1_ and _2_ to know what kinds of organisms lived in which era
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1) fossil record
2) radiocarbon dating |
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1) The permian mass extinction took place in the __era and killed most __organisms so ___became dominant
2) The cretaceous mass extinction kill most ___, so___became dominant |
1) paleozoic era; marine; reptiles
2) reptiles; mammals |
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Another way to classify animals is to see the fate of the ___
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blastopore
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1) a basic structural and functional unit
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1) cells
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*Name the types of tissues
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1) epithelial tissue
2) connective tissue 3) nerve tissue 4) muscle tissue |
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Tissues and their function
1) epithelial tissue (__) 2) connective tissue (__) 3) muscle tissue (__) 4) nerve tissue (__) |
1) protection, gland
2) support & energy storage 3) movement 4) regulate body activities |
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Tissue functions:
1) has neurons (receive and send electrical signals); regulate body activities 2) protection & gland 3) movement; has 3 types of cells 4) support & energy storage; e.g. tendons, ligaments, cartilage, bone, adipose tissue, and blood |
1) nerve tissue
2) epithelial tissue 3) muscle tissue 4) connective tissue |
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What are different levels of biological components in a living organism??
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1) cell
2) tissue 3) organ 4) organ system 5) organism |
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1) an organ = ___
2) an organ system = ____ |
1) 2 or more tissues work together (e.g. skin)
2) 2 or more organs work for a common function |
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e.g. tendons, ligaments, adipose tissue, cartilage, bone, and blood
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connective tissue
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Muscle tissue consists of what types of cells:
1) voluntary control 2) involuntary control; internal organs 3) involuntary control; heart |
1) skeletal cell
2) smooth cell 3) cardiac cell |
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Homeostasis (e.g. _1_,_2_,_3_)
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1) body temperature
2) blood pH 3) blood pressure |
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Metabolic rate: __1__&_2__
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1) endotherm
2) ectotherm |
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1) warm-blooded animals (e.g.__); __rate
2) cold-blooded animals (e.g.__); __rate |
1) endotherm; human; basal metabolic rate (BMR)
2) ectotherm; snake; standard metabolic rate (SMR) |
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the amount of energy consumed at rest in a temperate environment
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metabolic rate (endotherm & ectotherm)
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Body size increases-->surface area__1__-->metabolic rate per gram__2__
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1) decreases
2) decreases |
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Homeostasis depends on ___:
1) 2) |
feedback circuits
1) negative feedback 2) positive feedback |
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1) reduces effects caused by external changes
2) it amplifies effects caused by external changes |
1) negative feedback
2) positive feedback |
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1) e.g. uterine contraction
2) e.g. sweat and more bloods on surface keep 37 degree celsius body temperature in a hot environment |
1) positive feedback
2) negative feedback |
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It helps to maintain stability in a system in spite of external changes
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negative feedback
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Which nutrients are burned for energy generation?
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Source of energy:
1) carbohydrates 2) fats 3) proteins |
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Source of ENERGY:
1) coming-in __ 2) store__ 3) __ 4) ___in___ 5) ___in ___ |
1) carbohydrates
2) carbohydrates 3) fat 4) proteins in muscle 5) proteins in brain |
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Source of nutrient for GROWTH and METABOLISM:
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1) lipids
2) proteins 3) minerals 4) vitamins |
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Three different types of nourishment?
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1) overnourishment
2) malnourishment 3) undernourishment |
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1) the long-term ABSENCE from the diet of one or more ESSENTIAL nutrients
2) the result of a diet that consistently supplies MORE chemical energy than the body required 3) the result of a diet that consistently supplies LESS chemical energy than the body required |
1) malnourishment
2) overnourishment 3) undernourishment |
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1) we can't synthesize (make) it on our own
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1) essential nutrients
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What are the essential nutrients?
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1) amino acids
2) fatty acids 3) vitamins 4) minerals |
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What are the essential amino acids?
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1) M,V,P (Met, Val, Phe)
2) L,I,T (Leu, IIe, Thr) 3) T,L (Trp, Lys) 4) H (His)--only in infants |
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1) __AAs for adults
2) __AAs for infants |
1) 8
2) 9 (also includes His, which is not found in adults) |
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What are the essential fatty acids?
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1) unsaturated (e.g. linoleic acid)
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What are the essential vitamins?
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1) Vitamin K: blood clotting
2) Vitamin C: collagen synthesis (doesn't improve the immune system) 3) Vitamin B5: Component of coenzyme A |
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What are the essential minerals?
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1) molybdenum (Mo)
2) Enzyme cofactor |
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What are 2 different digestive systems? Examples for each?
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1) incomplete system-flat worm
2) complete system-earthworm & grasshopper |
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What does the digestive cavity look like in each system?
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1) incomplete system-one opening
2) complete system- two openings |
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How do these organisms transport nutrients?
1) flatworm 2) earthworm 3) grasshopper |
1) incomplete system--by diffusion
2) complete system--by circulatory system 3) complete system--by circulatory system |
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1st labeling question: what are the four chambers in the cow's digestive system?
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Mouth (chew)
1) rumen 2) reticulum (microorganisms break down cellulose-rich meal) mouth (re-chew) 3) omasum (water remove) 4) abomasum (cow's own enzymes do digestion) |
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The cow has what type of digestive system?
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Ruminant digestive system
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Which structures were adapted to food in animals?
1) carnivore 2) herbivore 3) omnivore |
1) carnivore- only eats meat; animal tissue easy to digest
2) herbivore-only eats plants; larger small intestine and larger stomach 3) omnivore-eats both plants and animals |
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Which structures were adapted to food in animals (dental adaptations)?
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1) carnivore- have sharp canines, incisors
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1) How many organs in the human digestive system?
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1) 8 organs
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Name the organs of the human digestive system:
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1) mouth
2) esophagus 3) stomach 4) liver 5) pancreas 6) small intestine 7) large intestine 8) anus |
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The organs of the human digestive system functions:
1) everything is blended with digestive juices. __kills bacteria. __break down proteins 2) muscles, in a process called __, push the food down into your stomach 3) solid waste passes from the __in order to leave your body 4) food is mixed with __from your liver and juices from your ___to be sent back to your __for more processing 5) a green liquid called ___, which is stored here, is secreted to ___ 6) when food is chewed, __starts digesting___ 7) many kinds of digestive enzymes are made here 8) indigestible food and water are processed, stored and dispersed |
1) stomach; Hydrochloric acid; enzymes
2) esophagus; peristalsis 3) anus; rectum 4) small intestine; bile; pancreas; liver 5) liver; bile; break down fats 6) mouth; saliva; carbohydrates 7) pancreas 8) large intestine |
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What is the order of organs food goes through in human digestive system?
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1) mouth
2) esophagus 3) stomach 4) liver (4.1 = gallbladder) 5) pancreas 6) small intestine 7) large intestine 8) anus |
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Which organs of the digestive system secrete enzymes? Name the enzyme and organ.
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1) mouth- salivary gland/salivary amylase
2) stomach- pepsin 3) liver-bile salt (gall-bladder = bile salt storage) 4) pancreas- amylase, nuclease, trypsin |
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Which nutrient is digested by which enzyme?
1) mouth digestion 2) liver, pancreas, small intestine, large intestine, anus |
1) salivary gland/salivary amylase= polysaccharides, proteins, fats, DNA/RNA
2) amylase, nuclease, trypsin = monosaccharides, amino acid, glycerol fatty acid and monoglycerides, nitrogenous bases, sugars and phosphates |
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What is the organ function in the digestive system?
1) mouth 2) esophagus 3) stomach 6) small intestine 7) large intestine |
1) break down
2) move food to stomach 3) break down 6) duodenum (first 25 cm) 7) absorbs water; waste prepared for elimination |
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What is the pH value in stomach and small intestine (duodenum)?
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1) stomach pH = 2.0
2) small intestine (duodenum) = 7 (neutral) |
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What is the suitable enzyme for the stomach and small intestine?
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1) stomach = pepsin
2) small intestine = suitable enzymes from pancreas (amylase, nuclease, and trypsin) |
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Human digestive System: Stomach
1) function 2) ___juice 3) __ (pH __) 4) kill __ 5) suitable enzyme: ___ 6) has ___ |
1) break down
2) gastric 3) HCl; 2.0 4) bacteria 5) pepsin 6) acid chyme |
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Human digestive System: Small intestine
1) first 25cm 2) is ___/___environment (b/c __from__) 3) suitable enzymes: ___ 4) involved in ___; with ___: ___&___ 5) __transport (many nutrients except __&__) 6) fats-->___(___)-->___->___ |
1) duodenum
2) neutral; alkaline; bicarbonate; pancreas 3) from pancreas (amylase, nuclease, trypsin) 4) absorption; lining; villi; microvilli 5) active; fructose; fatty acid 6) chylomicrons (water soluble); lymphatic system; blood vein |