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If they are vulnerable during pregnancy, why wouldn’t the woman evolve stronger muscles? Then they could also make the men care for infants. I guess suckling would still be a woman thing but that doesn’t take the whole day right.
If they are vulnerable during pregnancy, why wouldn’t the woman evolve stronger muscles? Then they could also make the men care for infants. I guess suckling would still be a woman thing but that doesn’t take the whole day right.
In your third option, why would the men protect the group and the woman protect the children?
Fat is more calorie dense than sugar so the added sugar would lower the calories per gram I think
Beautiful pic with a storyline!
Alright this is what I understand as a dutchie
Hitler is dead and Dönitz is now the leader in Germany, a British newspaper writes today: “Never before in history has the perspective of peace been so ?? made a possibility of the long war”
The sentence structure is pretty confusing to me and I don’t know some words
Alright if so why are you displaying this for everyone to see on lemmy
Prime US mentality
They giving the computers lsd now?
Get the answer to any question seems like it would make me the next Einstein. Or the answer would be 42.
Can you know the peak beforehand? And if so, how can I look it up? 😁
I’d guess no, the number of digits and limbs is conserved very well across tetrapods (it’s in their name after all). Fucking with the amount of limbs will probably lead to some developmental errors in the early embryo.
I recently had a course in developmental biology and this is what I can remember the best:
From the moment of fertilization, the egg has a ‘polarity’, thus a direction like up and down, left and right etc. This can be established by e.g. the entry point of the sperm or protein produced by the mother in one side of the egg. From here on out protein gradients and interactions on cell membranes specify where cells are and thus what kind of tissue they should become
This early polarity leads to a certain pattern of cell division. An important part of this is the folding in of tissue layers called gastrulation, creating the beginning for the gastrointestinal tract.
In vertebrates a streak starts to form in the embryo. This is the start of the vertebrae and the neural tube in it. Also blocks of cells called somites start to form. These blocks are very important for all kinds of tissues in the body.
Hox genes make the cells in somites get an identity like head, arm etc. So in the end Hox genes are probably what you are looking for. If leg Hox genes are expressed where fruitfly normally have antennae, you get this horror:
Reminds me of this universally understandable video: Liam hast du kaka in der hose?
Wouldn’t safeguarding mean they still need to attack an aggressor?