Intro to Biology PPT

Question 1

the scientific study of life

Answer 1

biology

Question 2

What are common characteristics shared by all living things?

Answer 2

1. Cellular Organization
2. Maintaining Boundaries
3. Movement
4. Responsiveness
5. Digestion
6. Metabolism
7. Excretion
8. Reproduction
9. Growth
10. Homeostasis

Question 3

compartment covered by a thin membrane; all living things are made up of one or more; the smallest unit of life

Answer 3

cell

Question 4

characteristic of living things where the internal environment is separate from the external environment

Answer 4

maintaining boundaries

Question 5

characteristic of living things in which cells adjust to try and maintain a stable environment; receptors detect a stimulus

Answer 5

responsiveness

Question 6

characteristic of living things that breaks down ingested food into simple molecules that the cells can use

Answer 6

digestion

Question 7

characteristic of living things that is the ability to acquire and transfer energy

Answer 7

metabolism

Question 8

characteristic of living things that is the process of removing wastes from a cell

Answer 8

excretion

Question 9

characteristic of living things that is the process by which new living organisms are produced

Answer 9

reproduction

Question 10

characteristic of living things where there is an increase in the mass of an organism

Answer 10

growth

Question 11

characteristic of living things that consists of maintaining a stable internal environment; allows for more complex organization and efficiency

Answer 11

homeostasis

Question 12

List the levels on which all living things interact from smallest to largest.

Answer 12

cellular, organismal, and population levels

Question 13

The following describes which interaction level?

interactions within cells

Answer 13

cellular level

Question 14

The following describes which interaction level?

interactions between cells

Answer 14

organismal level

Question 15

The following describes which interaction level?

interactions between organisms

Answer 15

population level

Question 16

List the interactions on the cellular level from smallest to largest.

Answer 16

1. Atom
2. Molecule
3. Macromolecule
4. Organelle
5. Cell

Question 17

smallest unit of an element

Answer 17

atom

Question 18

two or more joined atoms

Answer 18

molecule

Question 19

two or more joined molecules

Answer 19

macromolecule

Question 20

compartments within cells

Answer 20

organelle

Question 21

smallest unit that can live and reproduce of its own

Answer 21

cell

Question 22

List the interactions on the organismal level from smallest to largest.

Answer 22

6. Tissue
7. Organ
8. Organ System
9. Multicelled Organism

Question 23

organized group of cells interacting in a specialized activity

Answer 23

tissue

Question 24

structural unit made up of two or more tissues interacting in some task

Answer 24

organ

Question 25

organs interacting physically and chemically in some tasks

Answer 25

organ system

Question 26

individual made up of different types of cells

Answer 26

multicelled organism

Question 27

List the interactions on the population level from smallest to largest.

Answer 27

10. Population
11. Species
12. Community
13. Ecosystem
14. Biosphere

Question 28

group of individuals of the same species occupying the same area

Answer 28

population

Question 29

all the populations of a specific kind of organism

Answer 29

species

Question 30

all the populations of all species in the same area

Answer 30

community

Question 31

a community interacting with its physical environment

Answer 31

ecosystem

Question 32

encompasses all regions of the earth’s crust, waters, and atmosphere in which organisms live

Answer 32

biosphere

Question 33

List the two broad categories of organisms based on requirement of energy.

Answer 33

autotrophs vs. heterotrophs

Question 34

What broad categories of organisms fall under autotrophs and heterotrophs?

Answer 34

producers, consumers, and decomposers

Question 35

large classification of biological diversity based on similarities and differences between living things

Answer 35

domains

Question 36

List the three domains.

Answer 36

archaea, bacteria, and eukaryota

Question 37

List the four kingdoms within domain eukaryota.

Answer 37

protista, fungi, plantae, and animalia

Question 38

prokaryotic domains that are primitive, unicellular, and cells have no nucleus or membrane bound compartments

Answer 38

archaea and bacteria

Question 39

eukaryotic domain that is more advanced, unicellular and multicellular, and cells have a nucleus which encloses the DNA

Answer 39

eukaryota

Question 40

most primitive domain; ancestral to all other organisms

Answer 40

archaea

Question 41

unicellular; inhabit harsh environments; belong to domain archaea

Answer 41

extremophiles

Question 42

Give an example of an extremophile.

Answer 42

thermophiles- live in extreme heat

Question 43

domain that is unicellular; some cause disease, recycle nutrients, or are found on your skin and in your digestive system

Answer 43

bacteria

Question 44

kingdom by exclusion (misfits); inhabit moist environments; some are animal-like or plant-like

Answer 44

protista

Question 45

kingdom of decomposers

Answer 45

fungi

Question 46

kingdom that has special vascular tissue to carry water and nutrients

Answer 46

plantae

Question 47

flowering plants in kingdom plantae; have fruit to protect the seed

Answer 47

angiosperms

Question 48

kingdom with invertebrates and vertebrates

Answer 48

animalia

Question 49

members of kingdom animalia that have an external skeleton; more primitive; ectotherms

Answer 49

invertebrates

Question 50

members of kingdom animalia that have an internal skeleton; more advanced; endotherms and ectotherms

Answer 50

vertebrates

Question 51

How did we get such diversity of life?

Answer 51

evolution, adaptation, and natural selection