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?

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
What are organisms whose cell(s) do not contain nuclei called?
Prokaryotes
25
All Eukaryotes are placed in the domain _________
Eukarya
26
All organisms in the domain Bacteria are:
Unicellular, prokaryotes, autotrophs/heterotrophs
27
What is the difference between the domain Archaea and the domain Bacteria?
Archaea's chemical makeup and cell structure is different from that of Bacteria
28
Oxygen is a necessity for life. True or false?
False, organisms in the domain Archaea do not need oxygen because they are used to living in extreme conditions
29
Organisms in the domain Eukarya are:
Autotrophs/heterotrophs, multicellular/unicellular, eukaryotes
30
Give an example of a protist
Seaweed
31
Give an example of a type of fungi
Yeast or a mushroom