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flash cards > science chapter 15 lessons 1,2,3 > Flashcards

science chapter 15 lessons 1,2,3 Flashcards

0
Q

The combination of chemical reactions through when an organism breaks down materials

A

Metabolism

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1
Q

What are characteristics that all living things share?

A

Cellular organization, ability to grow and develop, containing similar chemicals, ability to reproduce, energy usage, and response to surroundings

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2
Q

What is the most abundant chemical in all living things?

A

Water

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3
Q

What energy source is the fastest in releasing energy?

A

Carbohydrates

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4
Q

Which energy source contains the most energy?

A

Lipids

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5
Q

What is an example of a lipid

A

Fats

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6
Q

Lipids, proteins, nucleus acids, and carbohydrates are all _________ material. (Hint: this applies to all things that contain carbon)

A

Organic

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7
Q

What speeds up chemical reactions?

A

Enzymes

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8
Q

Chemical instructions needed by cells to carry out the functions of life.

A

Nucleic acids

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9
Q

Why do living things need food?

A

To obtain and use energy

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10
Q

Why do living things need water?

A

To obtain chemicals from their surroundings, to break down food, to grow, to move substances within their bodies, and to reproduce

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11
Q

Why do living things need living space?

A

To get food and water from its surroundings, for shelter, and for reproduction

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12
Q

Why do living things need stable internal conditions?

A

For cells to function properly, irregardless of what’s happening outside of the body

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13
Q

What are the building blocks of cells?

A

Proteins

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14
Q

What is the difference between growth and development?

A

Growth involves an organism becoming taller and bigger. Development is when the organism becomes more complex

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15
Q

Organisms use energy to:

A

Move and maintain your metabolism

16
Q

What is the difference between sexual and asexual reproduction?

A

Sexual reproduction involves two parents and the offspring doesn’t look exactly like the parents, while asexual reproduction involves one parent and the offspring is identical to the parent

17
Q

Who devised the system of naming animals also known as binomial nomenclature?

A

Carolus Linnaeus

18
Q

Binomial nomenclature is the system of naming organisms by their observable features and it’s made up of two names- ______ & _______

A

Genus and species

19
Q

Describe how scientific names are written

A

In italics, the genus first and the species last, and the first letter of the genus capitalized and the first letter of the species lowercase. It is in Latin.

20
Q

What is the broadest level of classification?

A

Domain

21
Q

List the taxonomic levels of classification from the most number of organisms to the least number of organisms

A

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

22
Q

What are taxonomic keys used for?

A

To help determine the identity of organisms

23
Q

What are the three domains?

A

Bacteria, Archaea, and Eukarya

24
Q

What are organisms whose cell(s) do not contain nuclei called?

A

Prokaryotes

25
Q

All Eukaryotes are placed in the domain _________

A

Eukarya

26
Q

All organisms in the domain Bacteria are:

A

Unicellular, prokaryotes, autotrophs/heterotrophs

27
Q

What is the difference between the domain Archaea and the domain Bacteria?

A

Archaea’s chemical makeup and cell structure is different from that of Bacteria

28
Q

Oxygen is a necessity for life. True or false?

A

False, organisms in the domain Archaea do not need oxygen because they are used to living in extreme conditions

29
Q

Organisms in the domain Eukarya are:

A

Autotrophs/heterotrophs, multicellular/unicellular, eukaryotes

30
Q

Give an example of a protist

A

Seaweed

31
Q

Give an example of a type of fungi

A

Yeast or a mushroom

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