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Science6 review > Mod 5 > Flashcards

Mod 5 Flashcards

1
Q

Cell division:

A

Cell division: the process by which one cell splits into two new, identical cells

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2
Q

Cellular respiration:

A

Cellular respiration: the process by which organisms use oxygen to break down glucose and convert it to usable energy

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3
Q

Homeostasis

A

Homeostasis: the ability of the body to maintain a stable internal environment despite changes in external conditions

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4
Q

Photosynthesis

A

Photosynthesis: the process by which plants use the energy from sunlight, carbon dioxide, and water and convert them into food

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5
Q

Metabolism

A

Metabolism: chemical processes that take place in an organism and are necessary for life

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6
Q

Warm-blooded animals rely on hormones and __________ to maintain homeostasis

A

metabolism

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7
Q

How do cold-blooded animals maintain homeostasis?

A

They use their environment to their advantage ie the sun

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8
Q

During cellular respiration, the ________ use oxygen to break down glucose (basically sugar found in food) to create a form of energy called ATP

A

mitochondria

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9
Q

. Photosynthesis occurs inside the ______ in plant cells.

A

chloroplasts

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10
Q

Explain how cellular respiration and photosynthesis are opposite processes

A

Cellular respiration uses oxygen to break down glucose, then carbon dioxide and water are released as waste. Photosynthesis uses carbon dioxide and water to make glucose, then oxygen is released as waste.

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11
Q

Which term best represents homeostasis?

Balance
Humans
Energy

A

Balance

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12
Q

Which process creates new cells from existing cells?

Cell division
Cell imitation
Cell addition

A

Cell division

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13
Q

Which process uses the sun, carbon dioxide, and water to create energy?

Respiration
Photosynthesis
Tanning

A

Photosynthesis

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14
Q

Which process uses oxygen to break down glucose and make energy?

Cellular respiration
Cellular division
Cellular digestion

A

Cellular respiration

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15
Q

Which cell structure allows waste to pass through and leave a cell?

Nucleus
Cell membrane
Cytoplasm

A

Cell membrane

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16
Q

Homeostasis refers to the ability of the body to maintain a stable internal environment despite changes in external conditions. (4 points)

True
False

A

True

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17
Q

Which of the following is an example of maintaining homeostasis? (4 points)

a. Drinking water
b. Learning math
c. Playing board games
d. Calling friends

A

a. Drinking water

18
Q

Which process creates food for plants in order to maintain homeostasis? (4 points)

a. Breathing
b. Cell division
c. Cellular respiration
d. Photosynthesis

A

d. Photosynthesis

19
Q

Why is the cell membrane essential for cell homeostasis? (4 points)

a. To create food for the body
b. To make energy for other tissues
c. To allow waste to exit the cell
d. To make new types of cells

A

c. To allow waste to exit the cell

20
Q

ow is cell division related to homeostasis? (4 points)

a. Cell division creates an equal number of cells in different parts of the body.
b. Cell division creates fewer variations in the size and shape of blood cells.
c. Cell division creates more glucose molecules to be used during cellular respiration.
d. Cell division creates new cells to replace damaged or dead cells.

A

d. Cell division creates new cells to replace damaged or dead cells.

21
Q

How does the process of cellular respiration create energy? (4 points)

a. Cells split into two new cells with identical genetic makeup.
b. Chloroplasts use carbon dioxide and water to create glucose.
c. Mitochondria use oxygen to break down glucose and convert it to ATP.
d. Waste passes through the cell membrane and leaves the cell.

A

c. Mitochondria use oxygen to break down glucose and convert it to ATP.

22
Q

All living things need the same basics to survive: food, water, a place to live, and the ability to maintain homeostasis.

True
False

A

True

23
Q

name six characteristics of living things.

A 
have cells
use energy
grow and develop
reproduce
respond to stimuli
Chemicals
24
Q

Domains classify an organism by its amount of cells and the complexity of its cells

What are the three domains of life?

A

bacteria
single-celled and do not have a nucleus.

archaea
Archaea are prokaryotic, but they are not the same as bacteria. Archaea and bacteria have different cell membrane makeups and different systems for DNA replication.

eukarya
have cells that contain a nucleus and other membrane-bound organelles

25
Q

An organism is classified into its Kingdom by the following characteristics:

amount of cells
complexity of cells
how they get their food

What are the 6 kingdoms?

A 
PLANT
multicellular
eukaryotic
autotrophic (make their own food)
belong to the Eukarya domain
ANIMAL
multicellular
eukaryotic
heterotrophic (eat other things for food)
belong to the Eukarya domain
FUNGI
mostly multicellular; some single-celled
eukaryotic
heterotrophic (get nutrition through absorption of dead or decaying organisms)
belong to the Eukarya domain
PROTIST
multicellular or single-celled
eukaryotic
may be autotrophic or heterotrophic
belong to the Eukarya domain

ARCHAEA
single-celled
prokaryotic
belong to the Archaea domain

BACTERIA
single-celled
prokaryotic
belong to the Bacteria domain

26
Q

Taxonomy

A

Taxonomy: the scientific study of how organisms are classified

27
Q

Species

A

Species: a group of similar, closely related organisms that can mate with each other and produce offspring

28
Q

Protists

A

Protists: simple eukaryotic organisms such as slime molds, algae, and protozoans

29
Q

Phylum

A

Phylum: a level of organization in the classification system composed of smaller groups called classes

30
Q

Order

A

Order: a level of organization in the classification system composed of smaller groups called families

31
Q

Kingdom

A

Kingdom: a level of organization in the classification system composed of smaller groups called phyla

32
Q

Heterotrophic

A

Heterotrophic: must consume or absorb nutrients from other matter for food and energy

33
Q

Genus

A

Genus: a level of organization in taxonomy which contains one or more closely related species

34
Q

Family

A

Family: a level of organization in the classification system composed of one or more genera

35
Q

Domain

A

Domain: the broadest level of organization in the classification system

36
Q

Classification

A

Classification: the process of grouping organisms based on their similarities

37
Q

Class

A

Class: a level of organization in the classification system composed of smaller groups called orders

38
Q

Binomial nomenclature

A

Binomial nomenclature: a system of naming organisms with two-part names

39
Q

Autotrophic

A

Autotrophic: capable of producing food through photosynthesis or chemosynthesis

40
Q

Branching tree diagram:

A

Branching tree diagram: shows the evolutionary relationship among organisms and the order in which certain characteristics evolved

41
Q

Common ancestor:

A

Common ancestor: the most recent ancestral form or species from which two different species evolved

42
Q

Taxonomic key

A

Taxonomic key: a tool used to determine the identity of an unknown organism

Science6 review (6 decks)

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