BIO 101 Final

Question 1

What are the 8 characteristics of life?

Answer 1

• Ability to assimilate and use energy
• Ability to respond to the environment
• Ability to maintain a relatively constant internal environment (homeostasis)
• Possess an inherited information base, encoded in DNA, that allows them to function.
• Ability to reproduce through the use of information encoded in DNA
• Composed of one or more cells
• The group of organisms has the capacity to change over time (evolve).
• Are highly organized compared to non-living things

Question 2

Cells are ______ factories, making molecules for their own use and, if multicellular, for the use of the organism.

Answer 2

chemical

Question 3

Organic molecules are much more ____ than inorganic molecules

Answer 3

complex

Question 4

Can all cells reproduce themselves?

Answer 4

Yes

Question 5

Viruses

Answer 5

cannot reproduce themselves, not made of cells, are not alive

Question 6

Most organisms are ______

Answer 6

multicellular

Question 7

Prokaryotic

Answer 7

single celled organisms that lacks a nucleus and other membrane bound organelles

Question 8

Are Domain Archea and Domain Bacteria eukaryotic or prokaryotic?

Answer 8

prokaryotic

Question 9

What do all cells have?

Answer 9

DNA, cell membrane, and cytoplasm

Question 10

Cytoplasm

Answer 10

help them support their own life

Question 11

How do cells communicate with the enviornment and with other cells?

Answer 11

biological molecules

Question 12

Eukaryotic cells

Answer 12

have a nucleus and organelles

Question 13

What are the 4 kingdoms of Domain Eukarya that have eukaryotic cells?

Answer 13

Protista (unicellular), Fungi, Plants, Animals (multicellular)

Question 14

Abiotic sources of energy

Answer 14

Sunlight and chemicals

Question 15

How is energy captured from abiotic sources of energy?

Answer 15

primary production: photosynthesis or chemosynthesis

Question 16

What performs primary production?

Answer 16

Plants and some archea, bacteria, and protista

Question 17

Why do cells perform cellular respiration

Answer 17

to extract energy from glucose

Question 18

What flow does energy have through the food web?

Answer 18

one way flow

Question 19

Describe energys flow of the food web

Answer 19

flows through producers and consumers then ends up in detritus feeders and decomposers

Question 20

What is lost to the food web?

Answer 20

Energy

Question 21

Can energy ever be used up or destroyed?

Answer 21

No, it is only transformed into another type of energy

Question 22

What species of organisms have partnered with other species in order to ensure they can get enough energy?

Answer 22

Linchen and Corals

Question 23

All organisms respond _______

Answer 23

chemically

Question 24

Hoe do animals sense environment?

Answer 24

nerve cells or tissues, then can react quickly

Question 25

How can many bacteria and protista react?

Answer 25

by moving

Question 26

What do cell membranes regulate?

Answer 26

which molecules enter and leave the cell. Some molecules must be broken down before entering the cell

Question 27

How do body systems of fungi, plants, and animals work together to solve problems of survival?

Answer 27

getting and keeping enough energy, nutrients and water, energy storage and use, support, movement, defense, reproduction, etc.

Question 28

What does vaccination do to the immune system?

Answer 28

It trains it to respond quickly and effectively against infection of bacteria and viruses.

Question 29

How does DNA carry information?

Answer 29

in genes and in non-protein coding DNA that directs the functions of cells.

Question 30

Can DNA replicate itself?

Answer 30

yes

Question 31

How do viruses reproduce?

Answer 31

by infecting other cells

Question 32

Are plants able to reproduce sexually?

Answer 32

yes, even though most cannot move from their locations