Domain 2 Flashcards

Life Science (66 cards)

1
Q

what are the types of plant groups?

A

algae
fungi
ferns
gymnosperms
angiosperms

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2
Q

what are ferns?

A

plants that reproduve via spores

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3
Q

what are gymnosperms?

A

cone-bearing plants

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4
Q

what are angiosperms?

A

flowering plans with seeds within fruits

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5
Q

what is an ovule?

A

the female reproductive cells

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6
Q

what is photosynthesis?

A

a metabolic pathway conversing light enery to chemical energy

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7
Q

what do plants do in photosynthesis?

A

use the engery in sunlight and convert carbon dioxide and water into sugars and release oxygen

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8
Q

which organisms are one celled?

A

bacteria

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9
Q

what are the sbudivision sof the cell?

A

membrane
cytoplasm
nucleus

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10
Q

what is the cell membrane?

A

semi-permeable layer

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11
Q

what is included in the cytoplasm?

A

centrosome
robosomes
vauole
Golgi body
mitochondrion

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12
Q

what does the centrosome do?

A

cell diviision

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13
Q

what do ribosomes do?

A

contruct proteins

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14
Q

what do mitochondria?

A

conduct metabolism?

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15
Q

what do golgi bodies do?

A

secretion

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16
Q

what do vacuoles do?

A

digestion

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17
Q

what is inside the cell nucleus?

A

cubeoli, chromosoms, and neuclear membrane

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18
Q

what does the cytoplasm of plant cells include?

A

plastids

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19
Q

what are plastids?

A

chlorophyll that carry out photosynthesis

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20
Q

what is the nucleus?

A

majority of genetic informaiton that controls th cell’s growth and reproduction

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21
Q

how is the nucleus organized?

A

long and linear DNA modules with proteins to form chromosomes

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22
Q

what is the cell’s nuclear genome?

A

genes within the chromosomes

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23
Q

what is the function of the nucleus?

A

maintain the integrity of genes and regulating gene expression

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24
Q

what are chloroplasts?

A

organelles to conduct photosyntehesis

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25
what do chloroplasts do?
absorb light and use it with water and carbon dioacide to produce sugars for energy
26
what is the mitochondria?
generates adenosine triphosphate for chemical energy signals cellular differentiation and death controls cell cycle and death
27
what is digestion?
the breakign down of food into chemicals to be absorbed
28
what are carbohydrates converted into?
sugars
29
what are fats trasnnformed into?
glycerol and fatty acids
30
what are proteins turned into?
broken apart into amino acids
31
what happens to the products of digestion?
absorbed into the bloodstrem through the lining of the small intestine
32
what happens once the bloodstream absorbs the products of digestion?
metabolized in the various body tissues
33
where does majority of digestion and absorption occur?
small intestine
34
what is the circulatory system?
an organ system that obes nutrients, gases, and wastes to form cells, fight diseases, and maintain homeostasis
35
what are the main componsents of the human circulatory system?
heart blood blood oxygenated systemic circulation
36
what does blood consist of?
plasma red blood cells white blood cells platelets
37
how does the digestive system work with the circulatory system?
provide the nutrients the system needs to keep the heart pumping
38
what do red blood cells do?
transport oxygen in combination iwth iron pigments, hemoglobin
39
what do white blood cells do?
fight infection initiate blotting
40
what does the lymphativ system consist of?
lymph lymph nodes lymph vessels
41
what makes up the circulatory system?
cardiovascular system lymphatic system
42
what are the four chambers of the heart?
right atrium right ventricle left atrium left ventricle
43
what does the respiratory system do?
allow for gas exchange
44
what does the sensory system do?
initiate nerve impulses after being affected
45
how do the eyes function?
light rays are refracts focus on retina to form image optic nerve carries impulse to brain
46
what do light rays refract through?
cornea lens vitreous body
47
what does the nervous system consist of?
brain spinal cord peripheral nerves
48
what is the functional unit of the nervous system?
neurons
49
what do dendrites do?
receive and carry electrical impulses to cell body
50
what do axons do?
send out impuses
51
what are the major parts of the human brain?
cerebellum occipital lobe parietal lob frontal lobe temporal lobe brain stem
52
what is the hindbrain?
cerebellum medulla ablongata
53
how does the hindbrain operate?
unconsciously to regulate vital functionsn
54
what is the cerebrum?
largest part of the brain receives sensory informaiton makes conscious decisions
55
what are organisms?
complex chemical systems orginized to promote reproduction and survival
56
why is carbon the primary element in organic compounds?
small size is best for forming bonds and forming compounds
57
what is an ecosystem?
the sum of interaction organizms and their nonliving environment
58
what do all ecosystems run on?
energy from the sun
59
how is energy in te ecosystem lost?
waste heat when used to work
60
what is the carbon and nitrogen cycle?
plants fix to produce amino acids consumed by secondary and tertiary consumers returned to ecosystem through decomposition
61
what are the types of adaptation?
structural behavioral psysiological
62
who are producers in the food chain?
autotrophs and plans to manufacture their food
63
who ar the primary consumers in the food chain?
herbivores
64
who are secondar consumers?
carnivores
65
who are tertiary consumers?
omnivores
66
who are decomposers?
organisms that coonsume dead organisms and nonliving organic compounds as a food source