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Biology > Characteristics of living cells > Flashcards

Characteristics of living cells Flashcards

1
Q

why do we use MRS GREN

A

because all living things need a life process

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2
Q

M

A

movement - an action by an organism or its parts causing change in its position or place

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3
Q

R-s

A

respiration - is the chemical reactions in cells that break down nutrient molecules to release energy for the metabolism (aerobic and anaerobic)

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4
Q

S

A

sensitivity - ability to respond and detect changes in the environment (internal or external)

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5
Q

G

A

growth - permanant increase in size or dry mass in cell number or cell size, producing more or bigger cells

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6
Q

R-p

A

reproduction - reproduction or more offspring (living things) from the same species

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7
Q

E

A

excretion - the removal or toxic waste, waste products, or substances in excess by chemical reaction in cells

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8
Q

N

A

nutrition - taking or using food nutrients and vitamins for health and growth energy and development

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9
Q

examples of M

A
  • predators running to catch prey
  • whale swimming
  • hands moving during eating
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10
Q

examples of R-s

A
  • running but had to stop to breathe
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11
Q

examples of S

A
  • cold room makes shivers
  • bacteria senses where nutrients are
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12
Q

examples of G

A
  • boy grew 1 inch this year
  • bamboo grew
  • my muscles grew
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13
Q

examples of R-p

A
  • my bird gave 3 eggs
  • my mom had 3 children
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14
Q

examples of E

A
  • urine
  • sweat
  • exhale air
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15
Q

examples of N

A
  • plants and photosynthesis
  • animals eat other organisms
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16
Q

respiration

A

happens in living cells, is a chemical process, to release energy from nutrients in the food

17
Q

breathing

A

happens in breathing organs (lungs, skin or gills), is a physical process, it happens to exchange gases in the environment

18
Q

excretion

A

removal or body waste from cells chemical reactions (urine, excreted carbon dioxide)

19
Q

egestion

A

feces elimination (remains of undigested food)

20
Q

cells

A

smallest living organisms, all things are made of cells

21
Q

tissues

A

a group of cells with similar structures, that work together for a function

22
Q

organs

A

a group of tissues which work together to carry out a specific function

23
Q

organ systems

A

a group of organs with related functions that work together to carry out body functions

24
Q

organisms

A

a living thing, such as animals, plants, fungi and bacteria

25
Q

image =

A

Actual x magnification (I AM)

26
Q

1cm -

A

10mm

27
Q

line graph/ bar graph criteria

A

slap/sbap
size, line/bar, axis, plotting

28
Q

1m - mm

A

x1000

29
Q

1mm -um

A

x1000

30
Q

1um -mm

A

/1000

31
Q

1mm -m

A

/1000

32
Q

why the 5 kingdoms

A

because organisms can be classified into groups by the features they share

33
Q

plantea

A
  • multicellular
  • have cellulose cell walls
  • have nucleus
  • have chlorophyll
  • asexual
  • are autotrophs (make own food)
  • bamboos, algae, flowers
34
Q

Animalia

A
  • multicellular
  • don’t have cell walls
  • have nucleus
  • don’t have chlorophyll
  • sexual
  • are heterotrophs -food from oragnism
  • humans, giraffes, birds
35
Q

fungi

A
  • normally multicellular
  • have cell walls but not cellulose
  • have nucleus
  • don’t have chlorophyll
  • both asexual and sexual
  • both autotrophs and heterotrophs
  • mushrooms, mold, yeast
36
Q

protists

A
  • unicellular
  • some have cell walls
  • have nucleus
  • some have chlorophyll
  • both asexual and sexual
  • both autotrophs and heterotrophs
  • amoeba
37
Q

prokaryotes

A
  • unicellular
  • have cell walls (peptidoglycan)
  • have no nucleus
  • have chlorophyll but no chloroplasts
  • both asexual and sexual
  • both autotrophs and heterotrophs
  • bacteria, blue-geen algae

Biology (8 decks)

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