WEEK 2 - The Origin of Life and Phylum Porifera.

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  • Created by: Z0ology
  • Created on: 02-10-22 13:31
When did oceans form
4.5 bya
1 of 18
roughly how long ago did life form
4.2 bya
2 of 18
How did life apear
All answers
3 of 18
Life is dependent on what specialised chemistry
carbon and water
4 of 18
What are lipids
Fatty molecules
5 of 18
What are carbohydrates
sugar molecules
6 of 18
what is nitrogenous bases
Chlorophyll/RNA/DNA
7 of 18
How many main origin life theories is there
3
8 of 18
Animalia is split into how many grades
3
9 of 18
what is the mesozoa grade
a single phylum
10 of 18
What is the parazoa grade
phylum Porifera, sponges; and phylum Placozoa)
11 of 18
what is the Eumetazoa grade
all other phyla
12 of 18
until what year were these 2 kingdoms (plant and animal protista) defined by whether an organism was able to photosynthesise
early 1970's
13 of 18
What kingdom are protista classed as
Paraphyletic
14 of 18
in protists, how many species are there in the phylum Amoebozoa
5000 species
15 of 18
in protists, how many species are there in the phylum Eumycetezoa
600 species
16 of 18
in protists, how many species are there in the phylum Dinopohyta
2000 species
17 of 18
in protists, how many species are there in the phylum Ciliophora
8000 species
18 of 18

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Card 2

Front

roughly how long ago did life form

Back

4.2 bya

Card 3

Front

How did life apear

Back

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Card 4

Front

Life is dependent on what specialised chemistry

Back

Preview of the front of card 4

Card 5

Front

What are lipids

Back

Preview of the front of card 5
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