Chapter 1

Question 1

biology

Answer 1

the scientific study of life

Question 2

umbrella of biology

Answer 2

zoology: study of animals
mircobiology: the study of bacteria and viruses (non-living)
botany: the study of plants
mycology: the study of fungi
ecology: the study of how different organisms interact with their environments

Question 3

lifes hierarchy of organization

Answer 3

1) biosphere
2) ecosystem
3) community
4) population
5) organism
6) organ systems
7) organs
8) tissues
9) cells
10) molecules
11) atoms

Question 4

all living things on earth are within what is called the

Answer 4

biosphere: consists of all enviornments on earth hat supports life

Question 5

the biosphere includes

Answer 5

most areas of land, water bodies, and the lower atmosphere

Question 6

within the biosphere, the individual enviornments can be further broken down into

Answer 6

ecosystems: are a broad group that can be broken down all the way to the smallest level: the atomic level

Question 7

cells are the

Answer 7

platform for life ( smallest unit of life)

Question 8

molecules and atoms are

Answer 8

no longer living

Question 9

ecosystem

Answer 9

these encompass all living organisms and non-living matter existing within a particular enviornment
this includes: all components of the enviornment with which the living organims interact
ex) soil, air, sunlight, water

Question 10

community

Answer 10

these groups of organims composed of a number of different species that live within an ecosystem
ex) deer, lady bug, squirrel

Question 11

population

Answer 11

these are all individuals of a particular species living within a particular area
ex) all of the lady bugs living within the park

Question 12

organism

Answer 12

this is the individual unit of the population
ex) a lady bug from the lady bug population
a deer from the deer population

Question 13

organ systems

Answer 13

this is a group of several organs which work together to preform specific functions
ex) the nervous system, the respiratory system, the circulatory system, ect

Question 14

organs

Answer 14

this is a structure comprised of tissues which together as a group work to preform specific functions
ex) heart: composed of muscle tissue, connective tissue

Question 15

tissues

Answer 15

these are made of similar cell types and each tissue has a specific function
each organ is made of several different tissues types

Question 16

cells

Answer 16

these are membrane bound and the individual units of living matter
ex) liver tissue is composed of certain cell type which is liver cell (hepatocyte)

Question 17

molecules

Answer 17

a molecule is made up of a cluster of atoms

ex) DNA, protien, sugar molecules
- fat composes outside layer
- water fills inside
- sugar/protein

Question 18

atoms

Answer 18

these are the smallest unit of matter
molecules are composed of atoms
ex) nitrogen atoms, carbon atoms