biology 189

Question 1

Which of the following produces traits can be adaptions favored by natural selection?

Answer 1

genetic variability within a population

Question 2

What is the science of naming and classifying organisms?

Answer 2

taxonomy

Question 3

Organisms seem so well-suited to their environment because they have inherited characteristics or behaviors, called_______, that enable them to successfully survive and reproduce.

Answer 3

adaptations

Question 4

Heterotroph that obtains energy and nutrients by eating other organisms

Answer 4

consumer

Question 5

Heterotroph that obtains energy and nutrients from wastes and dead organisms

Answer 5

decomposer

Question 6

Autotroph that obtains energy and nutrients from nonliving sources

Answer 6

primary producer

Question 7

What is the basic unit of classification and is denoted by a unique two-part scientific name?

Answer 7

species

Question 8

A change in the genetic makeup of a population over multiple generations can also be referred to as

Answer 8

evolution

Question 9

What is taxonomy?

Answer 9

the science of naming and classifying organisms

Question 10

What are all the types of data and characteristics that scientists can use to help compare evolutionary relationships between organisms?

Answer 10

-anatomical features
-cellular attributes
-biochemical aspects
-genetics characteristics

Question 10

Inherited traits, characteristics, or behaviors that enable an organism to survive and reproduce successfully in its environment are called

Answer 10

adaptations

Question 11

Natural______ is a mechanism of evolution in which certain individuals from a population exhibit enhanced reproductive success based on inherited characteristics.

Answer 11

selection

Question 12

All living organisms are organized into one of ______ domains.

Answer 12

three

Question 13

Each type of organism is assigned a unique, two-part scientific name, which consists of the _____ of the organism.

Answer 13

genus and specific descriptor

Question 14

Evolution is

Answer 14

a change in the genetic makeup of a population over time

Question 15

What uses evidence and experiments to test ideas and answer questions?

Answer 15

scientific method

Question 16

When examining evolutionary relationships, taxonomists strive to classify organisms according to ___________.

Answer 16

shared common ancestors

Question 17

What are the domain names in the taxonomic hierarchy of life?

Answer 17

-archaea
-bacteria
-eukarya

Question 18

What are the steps of the generalized scientific method in order form the first step at the top to the last step at the bottom?

Answer 18

-observe and ask questions about something in the natural world
-create a hypothesis to explain your observations and make predictions
-carry out experiment(s) to test the hypothesis and collect data
-analyze your data and draw conclusion

Question 19

What are the types of data and characteristics that scientists can use to help compare evolutionary relationships between organisms?

Answer 19

-genetic characteristics
-cellular attributes
-biochemical aspects
-anatomical features

Question 20

Inherited traits, characteristics, or behaviors that enable an organism to survive and reproduce successfully in its environment are called_____.

Answer 20

adaptations

Question 21

In the scientific method, what is a hypothesis?

Answer 21

a tentative explanation fro an observation

Question 22

In the scientific method, a(n) ______ is an investigation carried out under controlled conditions to test a hypothesis.

Answer 22

experiment

Question 23

Each type of organism is assigned a unique, two-part scientific name, which consists of the ______ of the organism.

Answer 23

genus and specific descriptor

Question 24

In general, what is true regarding sample size in scientific experiments?

Answer 24

the larger the sample size, the more credible the results.