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Ancestors

Ancestor

1. One from whom a person is descended, whether on the fathers or mothers side, at any distance of time; a progenitor; a fore father.

2. (Science: biology) An earlier type; a progenitor; as, this fossil animal is regarded as the ancestor of the horse.

3. One from whom an estate has descended; the correlative of heir.

Origin: oe. Ancestre, auncestre, also ancessour; the first forms fr. OF. Ancestre, f. Ancetre, fr. The L. Nom. Antessor one who goes before; the last form fr. OF. Ancessor, fr. L. Acc. Antecessorem, fr. Antecedere to go before; ante before _ cedere to go. See Cede, and cf. Antecessor.


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Chicken or egg formed first

... egg …………prokaryotes-prokaryote-prokaryote…… So very distant ancestors of chicken had no egg laying capability.

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by josem
Sun Aug 17, 2014 8:24 pm
 
Forum: Evolution
Topic: Chicken or egg formed first
Replies: 3
Views: 270

Humans Natural Habitat/Optimal Environment

It's an interesting question. The out of Africa hypothesis would apply to those ancient ancestors who once left the continent, but evolution did not stop after we left. As you mentioned your height and physical stature may make you better suited to warmer temperatures, ...

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by Babybel56
Tue Mar 04, 2014 6:04 am
 
Forum: Evolution
Topic: Humans Natural Habitat/Optimal Environment
Replies: 2
Views: 3476

Humans Natural Habitat/Optimal Environment

... etc.... It started when i was getting into instinctive nutrition. I was eating a lemon thinking... Why does my body love citrus so much? Did my ancestors love citrus! Where did they live? Did they live in some type of bountiful utopia? Where they nomadic travelers? So, after a few few more weeks ...

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by Anopsology
Sun Mar 02, 2014 10:30 pm
 
Forum: Evolution
Topic: Humans Natural Habitat/Optimal Environment
Replies: 2
Views: 3476

Newbie question about the first life

... in the globulets is higher than in the surrounding watery environment. In lab experiments they can create such globules, which are not really the ancestors of the cell , but they show the complex chemical interactions that could've led to the formation of the first cell. More about the mitochondria: ...

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by piscilactovegetarian
Fri Feb 28, 2014 12:10 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 8425

Re: Industrial Society Destroys Mind and Environment

... the 'executive function' hampering organization and emotional control. The human brain is not compatible with the 'modern world'. Our prehistoric ancestors lived in grassland, where the slightest change of view could be death. We have the same brain today. Visual motion triggers an acute stress ...

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by wript
Mon Feb 03, 2014 12:51 am
 
Forum: Ecology
Topic: Industrial Society Destroys Mind and Environment
Replies: 45
Views: 44614
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