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10 hours ago · As with most marine mammals, only a single young is born, averaging 1.5 m (4.9 ft) in length. At birth, calves are white or light grey in colour. [55] The birth interval is typically between two and three years. [22]
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How did turtles evolve through the Triassic era?
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1 day ago · Sea turtles, and several extinct forms, have evolved a bony secondary palate which completely separates the oral and nasal cavities. The necks of turtles are highly flexible, possibly to compensate for their rigid shells. Some species, like sea turtles, have short necks while others, such as snake-necked turtles, have long ones.
10 hours ago · Knowing what the microbiome of the skin of marine mammals looks like under typical conditions allows understanding of how these communities different from free microbial communities found in the sea. Cetaceans are in danger because they are affected by multiple stress factors which make them more vulnerable to various diseases. They have been ...
- There are some microbiome definitions available that fit several categories with their advantages and disadvantages.
- There is a variety of microbiome definitions available that are driven by the methods applied. Mostly, these definitions rely on DNA sequence-based analysis and describe microbiome as a collective genome of microorganisms in a specific environment. The main bottleneck here is that every new available technology will result in a need for a new definition.
- Definitions based on ecology describe the microbiome following the concepts derived from the ecology of multicellular organisms. The main issue here is that the theories from the macro-ecology do not always fit the rules in the microbial world.
- The host-dependent definitions are based on the microbial interactions with the host. The main gaps here concern the question whether the microbial-host interaction data gained from one host can be transferred to another. The understanding of coevolution and selection in the host-dependent definitions is also underrepresented.
10 hours ago · Pursuit predators include terrestrial mammals such as humans, African wild dogs, spotted hyenas and wolves; marine predators such as dolphins, orcas and many predatory fishes, such as tuna; predatory birds (raptors) such as falcons; and insects such as dragonflies.
10 hours ago · 【Solved】Click here to get an answer to your question: KOMUNIKASYON AT PANANALIKSIK SA WIKA AT KULTURANG FILIPINO Unang Markahang Pagsusulit Pangalan: Taon at Selsyon: PANUTO: Pilin ang tamang sagot at tit...
10 hours ago · Humans first learned to consume the milk of other mammals regularly following the domestication of animals during the Neolithic Revolution or the development of agriculture. This development occurred independently in several global locations from as early as 9000–7000 BC in Mesopotamia [26] to 3500–3000 BC in the Americas. [27]
