semester 1 exam part 1

Question 1

to maintain their internal organization, all living things must have a constant supply of

Answer 1

energy

Question 2

reproduction involves the transfer of genetic information from

Answer 2

parents to offspring

Question 3

the stable internal environment maintained by living things is called

Answer 3

homeostasis

Question 4

the most important driving force in evolution is

Answer 4

natural selection

Question 5

the scientific process that involves using the five senses is

Answer 5

observation

Question 6

data that are quantitative are always

Answer 6

represented by numbers

Question 7

a hypothesis is a statement that

Answer 7

can be tested

Question 8

a broad and comprehensive statement of what is believed to be true is a

Answer 8

theory

Question 9

a small part used to represent an entire population is called a

Answer 9

sample

Question 10

all organisms possess DNA. DNA

Answer 10

contains info for growth and development

Question 11

instructions for development that are passed from parents to offspring are known as

Answer 11

genes

Question 12

as a characteristic of all living things, homeostasis relates most directly to which of the following biological themes

Answer 12

stability

Question 13

ecology

Answer 13

is the study of communities or organisms in relation to their environment.

Question 14

which of the following is a means by which heterotrophs can obtain energy

Answer 14

consuming autotrophs

Question 15

not necessarily a distinct property of living things

Answer 15

complexity

Question 16

the smallest units that can carry on all the function of life are called

Answer 16

cells

Question 17

as the cells in a multicellular organism multiply, they become different from each other in a process called

Answer 17

differentiation

Question 18

the sum of all of the chemical processes that occur in an organism is called

Answer 18

metabolism

Question 19

cells and groups of cells are organized by their

Answer 19

function

Question 20

biology is the study of

Answer 20

all living things

Question 21

growth occurs by

Answer 21

cell division and enlargement

Question 22

simplest part of an element

Answer 22

atom

Question 23

gain of an electron

Answer 23

reduction

Question 24

a pure substance composed of tow or more elements

Answer 24

compound

Question 25

particle composed of one or more atoms

Answer 25

molecule

Question 26

loss of an electron

Answer 26

oxidation

Question 27

pure substance that cannot be broken down

Answer 27

element

Question 28

monomer of nucleic acids

Answer 28

nucleotide

Question 29

breaks large molecules into smaller ones

Answer 29

hydrolysis

Question 30

monomer of proteins

Answer 30

amino acids