Biology Semester Exam

Question 1

What is a fact?

Answer 1

When an observation has been repeated and confirmed

Question 2

What is a law?

Answer 2

A generalization on HOW some aspect of the natural world based under stated circumstances

Question 3

What is a theory?

Answer 3

A solid EXPLANATION of some aspect of the natural world that can incorporate facts laws, and tested hypotheses.

Question 4

What is a hypothesis?

Answer 4

Educated guess

Question 5

What steps are in the scientific method?

Answer 5

Problem, hypothesis, Experiment, Data Analysis, and Conclusion

Question 6

What is the independent variable?

Answer 6

What is chanced in an experiment

Question 7

What is the dependent variable?

Answer 7

What responds to what is changed in an experiment

Question 8

What is Ecology?

Answer 8

The study of the relationships of organisms with one another and their environment

Question 9

What is an ecosystem?

Answer 9

A community of living organisms and their abiotic environment

Question 10

What is a community?

Answer 10

Many DIFFERENT populations of organisms together

Question 11

What is biotic potential?

Answer 11

When a population grows without limiting factors acting on it

Question 12

What is emigration?

Answer 12

When members of a population leave an area

Question 13

What is immigration?

Answer 13

New members entering a population

Question 14

What is symbiosis?

Answer 14

When different species live together

Question 15

What is Parasitism?

Answer 15

When one organism benefits, while another is harmed

Question 16

What is Commesalism?

Answer 16

When one organism benefits, while another is neutral

Question 17

What is mutalism?

Answer 17

When bother organisms benefit

Question 18

What is Co-evolution?

Answer 18

Describes long term evolutionary adjustments that are made between two species interacting w/ eachother

Question 19

Who is Charles Darwin?

Answer 19

Natural Scientist who formulated the theory of evolution through natural selection

Question 20

What are some examples of macromolecules?

Answer 20

Proteins, lipids, nucleic acids, and carbohydrates

Question 21

What are proteins?

Answer 21

Building blocks for our body

-Created on RIBOSOMES

Question 22

What are lipids?

Answer 22

Used to store energy and create hormones

-Built with the sub-units: fatty acids and glycerol

Question 23

What is a nucleic acid?

Answer 23

Used to create a genetic blueprint

• Made by linking nucleotides together
• Help created DNA and RNA

Question 24

What are carbohydrates?

Answer 24

Used for quick sources of energy

-Glucose is a building block

Question 25

What is dehydration synthesis?

Answer 25

When macromolecule subunits are joined a water molecule must be taken out

Question 26

What is hydrolysis?

Answer 26

When a water molecule must be added to break a macromolecule apart -Opposite of dehydration synthesis

Question 27

What kind of cells are eukaryotes?

Answer 27

Animal and Cell

Question 28

What is the endoplasmic reticulum?

Answer 28

Canals that transport proteins to the Golgi body

Question 29

What is a ribosome?

Answer 29

Where proteins are built

Question 30

What is the Golgi body?

Answer 30

Packages and distributes proteins created in the cell

Question 31

What are lysosomes?

Answer 31

Digest old cell parts and foreign material

Question 32

Cyto

Answer 32

Cell

Question 33

Endo

Answer 33

In

Question 34

Exo

Answer 34

Out

Question 35

Lysis

Answer 35

Break

Question 36

Hydro

Answer 36

Water

Question 37

Karyote

Answer 37

Nut

Question 38

Pro

Answer 38

Before

Question 39

Eu

Answer 39

True

Question 40

Ana

Answer 40

Build

Question 41

Cata

Answer 41

Break

Question 42

NA

Answer 42

Nucleic Acid

Question 43

Phago

Answer 43

Eat

Question 44

Pino

Answer 44

Drink

Question 45

What is Active Transport?

Answer 45

When material has to pas into or out of a cell from a low to high concentration

Question 46

What is respiration?

Answer 46

Process to produce energy in the form of ATP | -Occurs in Mitochondria

Question 47

What are the 5 levels of organization for multi-celled organisms?

Answer 47

1) Cells 2) Tissue 3) Organs 4) Organ Systems 5) Organism