Mod 5

Question 1

Cell division:

Answer 1

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

Question 2

Cellular respiration:

Answer 2

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

Question 3

Homeostasis

Answer 3

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

Question 4

Photosynthesis

Answer 4

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

Question 5

Metabolism

Answer 5

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

Question 6

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

Answer 6

metabolism

Question 7

How do cold-blooded animals maintain homeostasis?

Answer 7

They use their environment to their advantage ie the sun

Question 8

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

Answer 8

mitochondria

Question 9

. Photosynthesis occurs inside the ______ in plant cells.

Answer 9

chloroplasts

Question 10

Explain how cellular respiration and photosynthesis are opposite processes

Answer 10

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.

Question 11

Which term best represents homeostasis?

Balance
Humans
Energy

Answer 11

Balance

Question 12

Which process creates new cells from existing cells?

Cell division
Cell imitation
Cell addition

Answer 12

Cell division

Question 13

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

Respiration
Photosynthesis
Tanning

Answer 13

Photosynthesis

Question 14

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

Cellular respiration
Cellular division
Cellular digestion

Answer 14

Cellular respiration

Question 15

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

Nucleus
Cell membrane
Cytoplasm

Answer 15

Cell membrane

Question 16

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

True
False

Answer 16

True

Question 17

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

Answer 17

a. Drinking water

Question 18

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

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

Answer 18

d. Photosynthesis

Question 19

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

Answer 19

c. To allow waste to exit the cell

Question 20

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.

Answer 20

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

Question 21

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.

Answer 21

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

Question 22

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

True
False

Answer 22

True

Question 23

name six characteristics of living things.

Answer 23

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

Question 24

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

What are the three domains of life?

Answer 24

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

Question 25

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?

Answer 25

``` 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

Question 26

Taxonomy

Answer 26

Taxonomy: the scientific study of how organisms are classified

Question 27

Species

Answer 27

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

Question 28

Protists

Answer 28

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

Question 29

Phylum

Answer 29

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

Question 30

Order

Answer 30

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

Question 31

Kingdom

Answer 31

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

Question 32

Heterotrophic

Answer 32

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

Question 33

Genus

Answer 33

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

Question 34

Family

Answer 34

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

Question 35

Domain

Answer 35

Domain: the broadest level of organization in the classification system

Question 36

Classification

Answer 36

Classification: the process of grouping organisms based on their similarities

Question 37

Class

Answer 37

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

Question 38

Binomial nomenclature

Answer 38

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

Question 39

Autotrophic

Answer 39

Autotrophic: capable of producing food through photosynthesis or chemosynthesis

Question 40

Branching tree diagram:

Answer 40

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

Question 41

Common ancestor:

Answer 41

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

Question 42

Taxonomic key

Answer 42

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