Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Evolutionary Biology > Hostory Of Life On Earth > Flashcards

Hostory Of Life On Earth Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

What are the 3 Domains?

A

Bacteria
Eukaryotes
Archaea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the 4 kingdoms of eukaryotes?

A

Protists
Fungi
Animalia
Plantae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are archea?

A

Prokaryotes that lack a peptidoglycan call wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is a bacteria

A

Prokaryotes with a peptidoglycan cell wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are protists?

A

Photosynthetic unicellular organisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are fungi?

A

Mostly multicellular
Nonmotile
Chitin walls

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are plantae?

A

Multicellular
Nonmotile
Photosynthetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are animalia

A

Multicellular

Motile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How old is the earth

A

4.5 billion years old

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

When did prokaryotes first appear?

A

3.8 billion years ago

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

When did Cyanobacteria evolve?

A

3.5 billion years ago

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Why were Cyanobacteria fundamental to early earth evolution?

A

Produced oxygen (photosynthesis) which enables ozone layer to form protecting earth from UV rays

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When time frame did eukaryotes evolve between?

A

1.5-2.1 billion years ago

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why did eukaryotes evolve?

A

Endosymbiotic relationship between bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How did multicellular eukaryotes occur?

A

Single cell eukaryotes living in association with each other

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Why did the rate of evolution increase after multicellular eukaryotes were formed?

A

Most organisms were aerobic

Sexual reproduction was well developed

17
Q

What did fusion of gametes allow?

A

Genetic recombination generating variation

18
Q

When did jellyfish and worms then evolve?

A

600 million years ago

19
Q

What happened in early Cambrian period?

A

Explosion in eukaryotic diversity at the end of the ice age 570 million years ago

20
Q

When was land colonised by plants, animals and fungi?

A

500 million years ago

21
Q

When were most modern mammals established?

A

50-60 million years ago

22
Q

When did humans evolve?

A

5-6.5 million years ago

Evolutionary Biology (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions