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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
What are the 5 eras in the history of life?
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
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
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
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
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
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)
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
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
People use _1_ and _2_ to know what kinds of organisms lived in which era
1) fossil record
2) radiocarbon dating
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
Another way to classify animals is to see the fate of the ___
blastopore
1) a basic structural and functional unit
1) cells
*Name the types of tissues
1) epithelial tissue
2) connective tissue
3) nerve tissue
4) muscle tissue
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
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
What are different levels of biological components in a living organism??
1) cell
2) tissue
3) organ
4) organ system
5) organism
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
e.g. tendons, ligaments, adipose tissue, cartilage, bone, and blood
connective tissue
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
Homeostasis (e.g. _1_,_2_,_3_)
1) body temperature
2) blood pH
3) blood pressure
Metabolic rate: __1__&_2__
1) endotherm
2) ectotherm
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)
the amount of energy consumed at rest in a temperate environment
metabolic rate (endotherm & ectotherm)
Body size increases-->surface area__1__-->metabolic rate per gram__2__
1) decreases
2) decreases
Homeostasis depends on ___:
1)
2)
feedback circuits
1) negative feedback
2) positive feedback
1) reduces effects caused by external changes
2) it amplifies effects caused by external changes
1) negative feedback
2) positive feedback
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
It helps to maintain stability in a system in spite of external changes
negative feedback
Which nutrients are burned for energy generation?
Source of energy:
1) carbohydrates
2) fats
3) proteins
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
Source of nutrient for GROWTH and METABOLISM:
1) lipids
2) proteins
3) minerals
4) vitamins
Three different types of nourishment?
1) overnourishment
2) malnourishment
3) undernourishment
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
1) we can't synthesize (make) it on our own
1) essential nutrients
What are the essential nutrients?
1) amino acids
2) fatty acids
3) vitamins
4) minerals
What are the essential amino acids?
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
1) __AAs for adults
2) __AAs for infants
1) 8
2) 9 (also includes His, which is not found in adults)
What are the essential fatty acids?
1) unsaturated (e.g. linoleic acid)
What are the essential vitamins?
1) Vitamin K: blood clotting
2) Vitamin C: collagen synthesis (doesn't improve the immune system)
3) Vitamin B5: Component of coenzyme A
What are the essential minerals?
1) molybdenum (Mo)
2) Enzyme cofactor
What are 2 different digestive systems? Examples for each?
1) incomplete system-flat worm
2) complete system-earthworm & grasshopper
What does the digestive cavity look like in each system?
1) incomplete system-one opening
2) complete system- two openings
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
1st labeling question: what are the four chambers in the cow's digestive system?
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)
The cow has what type of digestive system?
Ruminant digestive system
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
Which structures were adapted to food in animals (dental adaptations)?
1) carnivore- have sharp canines, incisors
1) How many organs in the human digestive system?
1) 8 organs
Name the organs of the human digestive system:
1) mouth
2) esophagus
3) stomach
4) liver
5) pancreas
6) small intestine
7) large intestine
8) anus
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
What is the order of organs food goes through in human digestive system?
1) mouth
2) esophagus
3) stomach
4) liver (4.1 = gallbladder)
5) pancreas
6) small intestine
7) large intestine
8) anus
Which organs of the digestive system secrete enzymes? Name the enzyme and organ.
1) mouth- salivary gland/salivary amylase
2) stomach- pepsin
3) liver-bile salt (gall-bladder = bile salt storage)
4) pancreas- amylase, nuclease, trypsin
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
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
What is the pH value in stomach and small intestine (duodenum)?
1) stomach pH = 2.0
2) small intestine (duodenum) = 7 (neutral)
What is the suitable enzyme for the stomach and small intestine?
1) stomach = pepsin
2) small intestine = suitable enzymes from pancreas (amylase, nuclease, and trypsin)
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
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