#Chitonida (#Mollusca) exist since the #Cambrian. Bodies are covered with #calcareous #plates, flexibly connected. Most feed on vegetation cover. The #CambrianExplosion made based i.a. on #oxygen significant leaps in #animalevolution. Y. Zhang et al. (2025) assume a change in Earth's orbit altering #solarradiation, leading to land #weathering and #nutrients flow to the sea. Algae thrived and produced much oxygen.
© #StefanFWirth 2025

Ref
https://doi.org/10.1029/2025GL118689

#Pics
#AIassisted, © S.F.Wirth

Sandy's ancient, blind neighbor was very interested in the soaked alfalfa Sandy was munching on

https://lemmy.world/post/39758051

Salt flats. Pisco, Peru

https://lemmy.ca/post/56342224

birb

https://feddit.org/post/22547988

Cave Springs Trail, Canyonlands National Park- Needles District, Utah

https://lemmy.world/post/39725880

Paracas Natural Reserve, Peru.

https://lemmy.ca/post/56285795

Fresh dystopian hell from Samsung fridges with ads.

https://lemmy.world/post/39709679

Spicebush Swallowtail (Papilio Troilus)
Butterfly 2025-58a

It seems good ideas must be carefully nurtured
While bad Ideas grow like weeds

#butterfly #butterflies #macro #insect #love #zen #pics #photography #beauty #nature #photodaily #photos #thephotohour #mramsdellpics

#Woodpeckers of the #Pacific Northwest
#Pics #PicVert du nord-ouest du #Pacifique

#Painting #Peinture #JennJoslin #Birds #Oiseaux #Animal #Ailes #Bec #plumage

Dune buggies waiting for passengers. Huacachina, Peru.

https://lemmy.ca/post/56260488

Aphrodite fritillary (Speyeria aphrodite)
Butterfly 2021-25

Good feels guilt
for the hurt and problems caused to others
Evil feels guilt
for getting caught and the harm to themselves

#butterfly #butterflies #macro #pics #photography #beauty #nature #photodaily #photos #thephotohour #mramsdellpics

Newspaper Rock, Bears Ears National Monument, Utah

https://lemmy.world/post/39679246

Reenactment of a medieval knight at Château de Talmont

https://lemmy.world/post/39665486

Aphrodite fritillary (Speyeria aphrodite)
Butterfly 2020-62

Injustice is irrelevant for some until it effects that person
Then they often wonder why nobody else cares

#butterfly #butterflies #macro #pics #photography #beauty #nature #photodaily #photos #thephotohour #mramsdellpics

Playa Roja in Paracas, Peru.

https://lemmy.ca/post/56224232

Windows [OC]

https://feddit.org/post/22450207

#photo #photography #photographers #art #picture #artwork #artists #designers #design #pics

#photo #photography #photographers #art #picture #artwork #artists #designers #design #pics #photos #paint #painting