Resultado de búsqueda
28 de may. de 2024 · The African turquoise killifish lives in ephemeral ponds in Zimbabwe and Mozambique. To survive the annual dry season, the fish's embryos enter a state of extreme suspended animation or...
Hace 3 días · Living in a semi-arid region, the African turquoise killifish has developed a handy biological hack to survive months-long droughts that parch its muddy ponds each year. The developing embryos of these thumb-long fish just stop growing – not long after their brain and heart begin to form. For months, they hang out in a state of suspended animation, called 'diapause', to wait out lengthy dry ...
Hace 3 días · Evolutionary history. See also. Notes. References. Further reading. External links. Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia. They are natively found in Australasia, Wallacea, and the Americas.
29 de may. de 2024 · Abortion is the termination of a pregnancy by removal or expulsion of an embryo or fetus. [nb 1] An abortion that occurs without intervention is known as a miscarriage or "spontaneous abortion"; these occur in approximately 30% to 40% of all pregnancies.
7 de may. de 2024 · African Elephants ( Loxodonta africana and L. cyclotis) Fact Sheet: Reproduction & Development. Summary. Taxonomy & History. Distribution & Habitat. Physical Characteristics. Behavior & Ecology. Diet & Feeding. Reproduction & Development. Population & Conservation Status. Bibliography & Resources. Update in Progress. Dear Readers,
28 de may. de 2024 · The research revealed that the African turquoise killifish have evolved diapause relatively recently by reusing ancient genes that originated over 473 million years ago. This finding shows how...
7 de may. de 2024 · Reproductive behavior. Females. Roll and self-groom when a male is encountered. May run away and approach male several times. May growl or slap at males. Often occurs when a male sniffs a female or nearby vegetation. Males. Very aggressive to female in estrus. May knock her down.
