Bio 2 Lab Practical 1 (non slide questions)

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Campbell Biology
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1

The study of the diversity of organisms and their relationships to one another

systematics

2

the study of classification of our world including its procedures and rules

taxonomy

3

When writing a species by hand what should be included?

Generic Name (capitalized and underlined)
specific epithet (lower case underlined)

4

Type of keys in which the user moves through a series of contrasting, paired statements until a name is reached

dichotomous key

5

Type of key that uses important, non superficial characteristics of the item or organism that are often not easily distinguishable by a non specialist but, are highly useful in creating dichotomy in the key

natural key

6

Type of key that is more superficial

artificial

7

the science that describes and reconstructs patterns of genetic relationships among species of organisms and those in higher taxa

cladistics

8

Father of cladistics

Willi Hennig

9

on a cladogram, all the taxa that are descended from the ancestor are called the..

clade

10

a derived character state of the taxon that has evolved only within the taxon in question

apomorphy

11

a derived character shared by two or more taxa.

synapomorphy

12

a character state shared with all the other members of the clade

plesiomorphy

13

the part of the experiment that the scientist changes or manipulates

independent variable

14

the part of the experiment that changes because of the chande in the other variable

dependent variable

15

the group of subjects that receive the treatment

experimental group

16

the group of subjects where the independent variable is set to normal (not changed)

control group

17

part of experiment deliberately designed to produce a positive result

positive control

18

part of the experiment deliberately designed to produce a negative result

negative control

19

All of the factors that are kept equal in the experiment and control gropus are called...

standardized variables

20

Name the 6 parts of a well-designed experiment

1. An independent variable
2. A dependent variable
3. An experimental group
4. A control group
5. A large sample size
6. A well defined experiment

21

Name the taxonomic hierarchy

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species