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Characteristics of life Flashcards

1
Q

what are organisms

A

things that have all the characteristics of life

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2
Q

what are living things organized by

A

by cells that each have special structures and functions

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3
Q

what what multicellular mean

A

and organism made up of more than 1 and contains different types of cells that each have a particular function.

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4
Q

what does unicellular mean

A

and organism make up of more than one cell

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5
Q

how are multicellular organisms more complex than unicelluar

A

multicellular have a greater level of organization

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6
Q

what does grow mean

A

to get larger

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7
Q

how does a unicellular organism grow

A

the cell itself grows

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8
Q

how does a multicellular organism grow

A

the number of cells increase

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9
Q

what does to develop mean

A

develop refers to the changes in the organism over its lifetime

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10
Q

what is an example of development

A

a tadpole changing into a frog

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11
Q

what is reproduction

A

the process by which one organism makes 1 or more new organisms. Ensures survival of species.

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12
Q

what does response to stimuli mean

A

changes that you make in response to something

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13
Q

what is internal stimuli and whats an example

A

things that happen within an organism. ex: feeling Hungary and looking for food

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14
Q

what is external stimuli and whats an example

A

changes in the environment that cause and organism to change. ex: light or temp.

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15
Q

where do plants tend to grow toward

A

the light source

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16
Q

what happens to the amount of blood flowing to a certain area as temp changes

A

it will change

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17
Q

what is homeostasis

A

an organisms ability to maintain steady internal condition when outside conditions change

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18
Q

what could happen to an animal if it didn’t have homeostasis

A

the animal could get sick or die

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19
Q

what is methed of regulation

A

the body’s responses to deal with changes in the enviorment

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20
Q

what are examples of methed of regulation

A

temp changes - shiver, sweat, blood flow.

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21
Q

is there a limit to the amount of regulation that can occur within an organism

A

yes

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22
Q

what do all organisms need to survive for all processes

A

energy

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23
Q

where does energy originate from

A

the sun

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24
Q

what is the process called where living creatures trace their energy back to the sun

A

the food weeb

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25
what was the name of one of the first people to classify organisms
Aristotle
26
what was Aristotle's 2 brad categories
plants and animals
27
how did Aristotle break down his categories
by similar structures or characteristics
28
what is the sentence for the current classification of animals
Dear King Philip Called Out For Good Soup
29
what does, Dear King Philip Called Out For Good Soup, mean
domain, kingdom, phylum, class, order, genus, species with subcategories. With each one becoming more specific
30
what are systematics
current classification system using all info known about the organism
31
what is the info that we use to classify organisms
cell type, structures, habitat, DNA, evidence, common ancestry, food and energy
32
what is Taxonomy
the branch of science concerned with the classification of organisms
33
what are the 3 domains that divide all organisms
bateria, Archea, Eukarya
34
what is the bacteria domain
simple cell organisms
35
what is the Archea domain
single celled organisms with special structures that live in extreme conditions
36
what is the Eukarya domain
single or multi celled organisms that have a nucleus
37
what are kingdoms
smaller divisons of domains
38
which domains only have 1 kingdom
bacteria and archaea
39
how many kingdoms does Eukarya have
4 kingdoms
40
what are the 4 Eukarys kingdoms
Fungi, Plante, Protis, scientific names
41
what is a nucleus
the structure in a cell that contains the chromosomes
42
what is the Fungi kingdom about
single or multi celled organisms that absorbs food
43
what is the Plante kingdom about
multi celled organisms that take in food
44
what is the Protis kingdom about
single celled organisms that are more complex than those organisms of the Bacteria and Archea domains
45
who originated the naming system for organisms
Carol Linnaeus, a sweetish physician in the 1700s
46
what is biomedical nomenclature
a 2 word scientific name for every organism consisting of its genus and species
47
what is species
a group of organisms that can produce fertile offspring
48
what is a genus
groups of similar species
49
why is using scientific names usful
it permits anyone in the world to use the same name for all organisms, makes communication easier
50
what are some classification tools
dichotomous key (the thing we did a lab on)
51
AHAHGAGGAHA
fart
52
what are cladograms
branched diagram that shows the relationship among organisms, including common ancestry
53
what does a cladogram look like
a brached diagram with each brach leading to a new characteristic and all organisms to the right of the branch that show that characteristic
54
what does using a microscope enable
people to see details of living things that they could't see otherwise
55
who made the first simple microscope and what did he discover
Robert Hook 1600s english scientist discovered cells
56
who made improvements to the microscope after Robert Hook
Anton van Leeuwenhoek, Dutch merchant
57
what do all microscopes do
magnify objects and have a resulution
58
what does magnification mean
makes an object appear larger than it really is
59
what does resolution mean
how clearly the magnified objects can be seen
60
how do light microscopes work
use a light source and lenses to enlarge the image of an object
61
how does a simple light microscope work
has one lens to create an enlarge image
62
how does a compound light microscope work
has 2 or more lenses to crate the image, each lense make the image larger, has a greater magnification than the simple microscope
63
how do you determine how many times an object is magnified over its actual size
multiply the power if the ocular lens by the power of the objective lens
64
what is the maximum magnification
is 1500x the actual size
65
how does an electron microscope work
uses a magnetic field to pass through a beam of electrons to or through the object
66
does a light microscope or a electron microscope have a greater magnification ability
the electron microscope has a greater magnification ability than the light microscope - up to 100,000x. The electron microscope has a greater resulution
67
why can't a transmission electron microscope (TEM) test on alive objects
because the objects are mounted in plastic and sliced thin
68
how does a transmission electron microscope work (TEM)
an electron beam is passed through the specimen
69
How does a Scanning electron microscope (SEM) work
elecrtrons are bounced off the surface to create a 3d image ob the object
70
how does health care use microscopes
to diagnose problems and in surgery to give the doctor a greater detail of the area
71
how do forensic scientists use microscopes
they study evidence from crime scenes
72
how do anthropologists use microscopes
they study fossils
73
how do commercial industries and the jewelry industry use microscopes
can look at impurities of a product or quality of a stone
74

Science (11 decks)

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