Septiembre 7

Question 1

The variety of life , generally increases from Earth’s poles to the equator

Answer 1

Biodiversity

Question 2

Is a particular type of living things that can reproduce by interbreeding among themselves

Answer 2

Species

Question 3

The form of energy used by all living things , from bacteria to ferrets to ferns

Answer 3

Chemical energy

Question 4

All the chemical processes that build up or break down materials

Answer 4

Metabolism

Question 5

The genetic material is a molecule called deoxyribonucleic acid

Answer 5

DNA

Question 6

Is the scientific study of all forms of life , or all types of organisms

Answer 6

Biology

Question 7

Is any individual living thing

Answer 7

Organism

Question 8

Is the basic unit of life

Answer 8

Cell

Question 9

Is an organized group of related parts that interact to form a whole

Answer 9

System

Question 10

Is a physical enviroment with different species that interact with one another and with nonliving things

Answer 10

Ecosystem

Question 11

Is the maintenance of constant internal conditions in an organism

Answer 11

Homeostasis

Question 12

Is the change in living things over time; a change in the genetic makeup of a subgroup , or population, of a species

Answer 12

Evolution

Question 13

An inheretid trait that gives an advantage to individual organisms and is passed on to future generations

Answer 13

Adaptation

Question 14

Includes using our senses to study the world , but it may also involved other tools

Answer 14

Observations

Question 15

Observations can also be recorded as …… That can be analyzed

Answer 15

Data

Question 16

Which are the 2 types of data?

Answer 16

Qualitative data

Quantitative data

Question 17

Is a proposed answer for a scientific question , it must be specific and testable

Answer 17

Hypothesis

Question 18

Scientists study the factors called independent variables and dependent variables to find cause and effect relationships

Answer 18

Experiments

Question 19

Is a condition that is manipulated or changed by a scientist

Answer 19

Independent variable

Question 20

Are observed and measured during an experiment; they are the experimental data

Answer 20

Dependent variable

Question 21

The conditions that do not change during an experiment

Answer 21

Constants

Question 22

Is a proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence

Answer 22

Theory

Question 23

Are descriptions of a phenomenon that can include sights , sounds and smells. This type of data is often useful to report what happens but not how it happens

Answer 23

Qualitative data

Question 24

Are characteristics that can be measured or counted , such as mass , volume , and temperature , anything that is express with a number

Answer 24

Quantitative

Question 25

Is the smallest basic unit of matter.

Answer 25

Atom

Question 26

Which are the 3 types of smaller particles

Answer 26

Protons , neutrons , and electrons

Question 27

Which ones form the dense center of an atom: the atomic nucleus

Answer 27

Protons and neutrons

Question 28

Is one particular type of atom , and it cannot be broken down into a simpler substance by ordinary chemical means , it can refer to a group of atoms of the same type

Answer 28

Element

Question 29

Is a substance made of atoms of different elements bonded together in a certain ratio , includes water and carbon dioxide

Answer 29

Compound

Question 30

Is an atom that has gained or lost one or more electrons

Answer 30

Ion

Question 31

Forms through the electrical force between oppositely charged ions

Answer 31

Ionin bond

Question 32

Forms when atoms share a pair of electrons , they are generally very strong , and depending on how many electrons an atom has

Answer 32

Covalent bond

Question 33

Is 2 or more atoms held together by covalent bond

Answer 33

Molecule

Question 34

All living things and all the places they are found on Earth make up the

Answer 34

Biosphere