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The platypus venom has a broadly similar range of effects and is known to consist of a similar selection of substances to reptilian venom, and appears to have a different function from those poisons produced by lower vertebrates.
The platypus doesn’t fit into any particular category: it’s a mammal, but it lays eggs like a reptile. It has a duck-like bill and webbed feet, but its otter-like body ends with a tail like a ...
However, monotremes like the platypus, along with reptiles and birds, undergo meroblastic cleavage, in which the ovum does not split completely. The cells at the edge of the yolk remain continuous with the egg's cytoplasm, allowing the yolk and embryo to exchange waste and nutrients with the egg through the cytoplasm.
The platypus has an average body temperature of about 31 °C (88 °F) rather than the averages of 35 °C (95 °F) for marsupials and 37 °C (99 °F) for placentals. [ 30 ] [ 31 ] Research suggests this has been a gradual adaptation to the harsh, marginal environmental niches in which the few extant monotreme species have managed to survive ...
A platypus bill may look like a duck’s bill, but it has a secret ability. The bill contains receptor cells that detect the electric signals made by all living things. As it swims in the water ...
The hairs in this flank area are highly specialised; at the tips they are like ordinary hair, but are otherwise spongy, fibrous, and absorbent. The rat is known to deliberately chew the roots and bark of the poison-arrow tree (Acokanthera schimperi), so-called because human hunters extract a toxin, ouabain, to coat arrows that can kill an ...
They have a bill like a duck, lay eggs like chickens, swim like beavers and produce milk like cows. ... Researchers saw the white platypus 10 times between February 2021 and July 2023, the study ...
Unlike most other stings, honey bee workers' stings are strongly barbed and lodge in the flesh of mammals upon use, tearing free from the honey bee's body, killing the bee within minutes. [2] The sting has its own ganglion, and it continues to saw into the target's flesh and release venom for several minutes. This trait is of obvious ...