Bio182 Decent With Modification

Question 1

Why is there such a variety of life. I.e. bacteria Alfa humans ?

Answer 1

Unity of life is do to the fact that all organisms came from an original cell. Evolution and reproduction allows change in organisms

This is a new way of thinking of things compared to how humans use to think about life

Question 2

French figure cuvier?

Answer 2

He was know as the father of paleontology-the science of fossils

He was a creationist.

Strata told him of extinction.

Question 3

How are fossils found?

Answer 3

In layers known as different strata

Question 4

What did Cuvier notice?

Answer 4

That different strata contained different fossils

Question 5

Strata do what?

Answer 5

Give us a relative date of a fossil compared to others by noticing which strata they are in

Question 6

Hutton

Answer 6

Scottish geologist

Believed that physical features on the earth are explained by everyday processes like erosion built the grand cannon from the Colorado river

Things didn’t just pop up into existence but came through these processes

Lyell said these things are still happening

Therefore the earth had to be around for a long time

Question 7

How old is the earth?

Answer 7

Roughly 4.5 billion years

Question 8

Lammark

Answer 8

Was the first truly scientific revolutionary thinker. Gave reason but he was wrong.

He said acquired traits get passed on from parient to offspring

Question 9

Bonus tree is an example of what?

Answer 9

An artist giving a tree an acquired trait to look small. However this does not get passed on as the seeds will grow to a normal sized tree.

Question 10

Heritable traits

Answer 10

Traits that get passed on to offspring through DNA which is made up of genes

Question 11

Darwin

Answer 11

Was a naturalist. And went on a voyage in 1840 on the beagle( which was originally sent to get a better understanding of South America) Darwin went along.

Originally a creationist. And was afraid to publish his finding in evolution.

Wrote a book on how evolution occurs through natural selection

Question 12

What is Darwin’s famous book?

Answer 12

On the origin of species by means of natural selection

Question 13

What causes evolution

Answer 13

Natural selection

Question 14

Natural selection

Answer 14

Nature selects against disadvantageous traits and for advantageous traits or those most fit to their environment

Therefore organism better fit to their environment tend to survive and produce more viable offspring g that will reproduce

Question 15

Evolution

Answer 15

A change in allele frequencies from generation to generation by natural selection

Question 16

Wallace

Answer 16

Pressured Darwin to publish his finding by almost publishing his first. Found the same things as Darwin but independently

But respected Darwin and allowed him to publish

Question 17

Artificial selection

Answer 17

Consciously choosing desired traits that one wants for a species to have. An example of this is dog breeding or agricultural

Question 18

2 observation Darwin made

Answer 18

1. In any natural occurring population of organism, there is variation in their traits.
2. natural population always produce more offspring than an environment can support

Question 19

Darwin’s inferences

Answer 19

Individuals that are more well suited to their environment tend to leave more offspring than others

Over time favorable traits accumulate in the population

Question 20

Homologous

Answer 20

This nag that share structures because of common ancestry

Question 21

Analogy or analogous structures

Answer 21

Not about shared ancestry

Novak features that evolved independently from another species

Causes by convergent evolution

Question 22

Convergent evolution

Answer 22

Evolution that is occurring independly but in the same way in separate groups because of similar environments