29q-60q

Question 1

What is an uncomformity?

Answer 1

An entire layer is missing cause gaps in geological history.

Question 2

What 3 thing can cause an uncomformity?

Answer 2

1. lack of deposition
2. layers form beneath water
3. layers exposed to weathering and erosion

Question 3

What is lithification? Name the steps of lithification.

Answer 3

The process in which sediment becomes sedimentary rock.

1. erosion
2. deposition
3. compaction
4. cements

Question 4

What are agents of change?

Answer 4

gravity, water, wind, ice, people

Question 5

How are metamorphic rocks formed?

Answer 5

heat and pressure

Question 6

What is the principle of uniformitarianism?

Answer 6

geological processes that occur today, occurred the same way in the past.

Question 7

What is a half life?

Answer 7

The time it takes for half a parent to decay into a daughter.

Question 8

What is evolution?

Answer 8

Process in which organisms change over time.

Question 9

Who was Charles Darwin?

Answer 9

A scientist who believed that more advantageous organisms would survive and reproduce.

Question 10

Summarize the theory of natural selection.

Answer 10

1. Organisms produce more offspring than can survive
2. Variations exist within populations
3. Some variations are better than other for survival and reproduction
4. individuals with better variations will survive and reproduce

Question 11

Fossils provide evidence of what?

Answer 11

landscape, climate, and animal changes

Question 12

What does extinct mean?

Answer 12

no longer in existence

Question 13

What is a variation?

Answer 13

A mutation in a gene or chromosome

Question 14

What is an adaption?

Answer 14

something that helps an organism survive

Question 15

Variations are the result of?

Answer 15

mutations in a gene or chromosome

Question 16

Geologic time is organized into lengths of time based on?

Answer 16

Major events that happened during that time

Question 17

What are structural adaptations?

Answer 17

an adaptation that requires and animal’s body part

Question 18

What is protective colorization?

Answer 18

A colorization that allows an animal to blend into its environment

Question 19

What is mimicry?

Answer 19

Allows an animal to look like something else to fool a predator

Question 20

What are behavioral adaptations?

Answer 20

activities that help an organism survive

Question 21

What is migration?

Answer 21

organisms moving from one area to another then back

Question 22

What is hibernation?

Answer 22

a deep sleep used to conserve energy and lower blood pressure

Question 23

What is the law of original horizontality?

Answer 23

all beds deposited in water are close to horizontal

Question 24

What is the principle of inclusion?

Answer 24

If rock is found in another layer then it is older than that layer

Question 25

What is the principle of cross-cutting?

Answer 25

Something that cuts through an object is younger than the object it cuts through

Question 26

What era are we living in?

Answer 26

Cenozoic era

Question 27

What does prehistoric mean?

Answer 27

Before record were kept

Question 28

What does the prefix "bio" mean? Paleo?

Answer 28

living things, ancient things

Question 29

What does the prefix "geo" mean? Archaeo?

Answer 29

Earth, before records were kept

Question 30

What does "ologist" mean?

Answer 30

Person who studies

Question 31

How does a favorable mutation help change the characteristics of a species?

Answer 31

The mutation will help it become more advantageous, then it will be passed on to the offspring.