Concepts and Connections

Question 1

Biology

Answer 1

the study of life

Question 2

Biosphere

Answer 2

all of earths environments that support life

Question 3

Ecosystem

Answer 3

all living organisms and nonliving physical things in a particular area and their interactions

Question 4

community

Answer 4

organisms in an ecosystem

Question 5

population

Answer 5

interacting group of individuals in a species

Question 6

organism

Answer 6

an individual in a species

Question 7

organ system

Answer 7

several organs that work together to perform a certain function

Question 8

organ

Answer 8

a collection of tissues that carry out a special function of the body

Question 9

cell

Answer 9

a unit of living matter seperated from its environment by membrane. It is the lowest level of structure that can perform all activities required for life

Question 10

organelle

Answer 10

a structure that performs a specific function in a cell

Question 11

molecule

Answer 11

two or more atoms held together by a covalent bond

Question 12

atom

Answer 12

the smallest particle of matter

Question 13

producers

Answer 13

organisms that produce their own food using photosynthesis

Question 14

consumers

Answer 14

organisms that gain energy and nutrients by feeding on other organisms and their remains

Question 15

decomposers

Answer 15

organisms that decompose the remains of dead organisms and change them to chemical nutrients for plants

Question 16

A cell can…

Answer 16

• reproduce
• develop and maintain organization
• take in and use energy
• respond to its surroundings
• regulate its internal environment

Question 17

emergent properties

Answer 17

new properties that emerge with each step up on hierarchy of life

Question 18

system

Answer 18

a combination of components

Question 19

eukaryotic cells

Answer 19

the larger and more complex of the two cells. nucleus and membrane bound organelles

Question 20

prokaryotic cells

Answer 20

smaller and more simple cells that lack a nucleus and most organelles

Question 21

DNA

Answer 21

two long chains in a double helix made of four kinds of chemical building blocks found in cell’s nucleus; the genetic material that carries informyabout an organism and is passed from parent to offspring

Question 22

Properties of Living Organisms

Answer 22

1. Order
2. Regulation of internal environment
3. Growth and development from inherited genes
4. energy utilization
5. response to environment
6. reproduction
7. evolution

Question 23

taxonomy

Answer 23

branch of biology that names and classifies species

Question 24

Domain

Answer 24

the largest taxonomic group. Bacteria, Archea and Eukarya

Question 25

Kingdom

Answer 25

second largest taxonomic group. | Animalia, Plantae, Protista, Eubacteria, Archaebacteria, and Fungi

Question 26

Eukaryotes

Answer 26

organisms with eukaryotic cells

Question 27

prokaryotes

Answer 27

organisms wih prokaryotic cells. | unicellular, microscopic and the most widespread of all organisms

Question 28

protists

Answer 28

single-celled and incredibly diverse organisms. make food and decompose food

Question 29

“On the Origin of Species By Means of Natural Selection”

Answer 29

The first book of Charles Robert Darwin. Explains evolution

Question 30

Theory

Answer 30

A widely accepted explanatory idea that is broad in scope and supported by large bodies of evidence

Question 31

Descent with Modification

Answer 31

process by which descendants of ancestral organisms spread into various habitats and accumulate adaptations to diverse ways of life.

Question 32

Natural Selection

Answer 32

this process occurs as heritable variations are exposed environmental factors that favor the reproductive success over others

Question 33

Inductive Reasoning

Answer 33

reasoning from detailed facts/large number of specific observations to general principles

Question 34

Hypothesis Based Science

Answer 34

A scientific approach that explains nature through the proposing and testing of hypotheses

Question 35

Hypothesis

Answer 35

an explanation on trial that will be tested

Question 36

Deductive Reasoning

Answer 36

The logic used in hypothesis-based science to come up with ways to test hypotheses. The reasoning flows from general premises to specific results (that you expect if true).

Question 37

Properties of Hypothesis

Answer 37

1) Testable 2) Falsifiable 3) Cannot be proven for certain 4) Gains credibility by surviving various attempts to falsify

Question 38

controlled experiment

Answer 38

An experiment designed to compare an experimental group with a control group. Ideally, the groups only differ in the one thing that the experiment is testing.

Question 39

goal of science

Answer 39

to understand natural phenomena

Question 40

goal of technology

Answer 40

to apply scientific knowledge for a specific purpose