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Intro. To Vet Tech > Cell Biology Exam Chapters 1 & 2 > Flashcards

Cell Biology Exam Chapters 1 & 2 Flashcards

1
Q

True or false: biology is the study of life and tries to understand life and how we fit in.

A

True

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2
Q

The current rate of extinction is 2000 times more than normal. True or false

A

False the current rate of extinction is 1000 times more than normal

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3
Q

The fundamental building block of all living and non-living things

A

Atom

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4
Q

Molecule

A

Group of atoms bonded together

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5
Q

The smallest unit of life is a…..

A

Cell

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6
Q

Organism

A

Made of one or more cells

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7
Q

A group of the same species in the same area is a….

A

Population

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8
Q

A COMMUNITY is….

A

Multiple populations in the same area

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9
Q

An ECOSYSTEM is….

A

Community plus environment

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10
Q

A BIOSPHERE is….

A

All regions of earth in which life exists

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11
Q

Nutrient

A

Substance an organism needs but can’t make for itself(food, water, air)

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12
Q

Producers can make their own food and are also called what?

A

Autotroph

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13
Q

A heterotroph is what?

A

An organism that cannot make their own food or consumer

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14
Q

Biodiversity is….

A

Variation in life

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15
Q

No nucleus……=

A

Pro

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16
Q

Having a nucleus….=

A

Euk

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17
Q

Fungi

A

Secrete substances to break down food externally

18
Q

Protists

A

Simplest Eukaryotes, much variations

19
Q

Bacteria and archaea

A

Both are single celled prokaryotes= no nucleus

20
Q

Plants(eukaryote)

A

Multicelled photosynthetic producers

21
Q

Animals(eukaryote)

A

Multicellular consumers that ingest other organisms

22
Q

A system of naming and classifying species

A

Taxonomy

23
Q

Carolus Linnaeus

A

The person that started the two part system of genus and species

24
Q

Members of each Taxon(rank or group) share a unique set of traits

A

Domain, kingdom, phylum, class, order, family, genus, species

• Eukarya, Animalia, Chordata, Mammalia, Carnivora, Canidae, Canis, C. lupis (C. l. familiaris)

25
Q

The Scientific Method

A

Make an observation; form a hypothesis; test the hypothesis; make a prediction based on the hypothesis; test the prediction(variables, experimental group vs. control group); Analyze the results(data-experimental results); form a conclusion; report results; repeat….

26
Q

How does sample size affect test results?

A

Bigger sample sizes equal better and more accurate results

27
Q

hypothesis that has stood up to years and years of testing, consistent with all data gathered, helped make successful predictions about other phenomena
⭕️explanation of why something happens

A

Scientific Theory

28
Q

describes a phenomenon that has been observed to occur in every circumstance without fail, but for which we do not have a complete scientific explanation
⭕️tells how something happens

A

Law of Nature

29
Q

All substances consist of….

A

Atoms

30
Q

The fundamental building block particle of matter.

A

Atom

31
Q

Atoms consists of_______moving around a nucleus of_________ and _________

A

Electrons
Protons
Neutrons

32
Q

Negatively subatomic particle that occupies orbitals around the atomic nucleus.

A

Electron

33
Q

Charge

A

Electrical property of some subatomic particles

34
Q

Opposite charges_________ and like charges_________

A

Attract

Repel

35
Q

Core of an atom, occupied by protons and neutrons

A

Nucleus

36
Q

Proton

A

Positively charged subatomic particle found in the nucleus of all atoms

37
Q

Uncharged or neutral subatomic particle found in the atomic nucleus

A

Neutron

38
Q

Atoms differ in numbers of________________________[2 words]

A

Subatomic particles

39
Q

Element

A

A pure substance that consists only of atoms with the same number of protons

40
Q

Atomic number

A

Number of protons in the atomic nucleus.

Determines the element

Intro. To Vet Tech (2 decks)

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