Sentences with phrase «length of the food chain»
«The length of the food chains was not shortened by the end - Permian mass extinction.
https://www.sciencedaily.com/
The research demonstrates that top predators such as the common dolphin can serve as important indicators of the length of the food chain, which in turn provides insight into the ecosystem, Ruiz - Cooley said.
Many scientists have long considered the length of the food chain in the open sea to be relatively stable, with roughly the same animal species feeding on each other through time.
Not exact matches
«To test ideas about food chain length, you really can not deal with raw counts of species — instead, you need to know which species form actual feeding chains» says Gergely Várkonyi, an international expert on wasps involved in the project.
Researchers mathematically compared each food web's structural features with those of modern - day food web datasets — matching up such indicators as fractions of carnivores, herbivores, and omnivores; the distributions of generalist and specialist feeders; the mean lengths of feeding chains connecting pairs of taxa; and so on.
Next, they mathematically compared each food web's structural features with those of modern - day food web datasets — matching up such indicators as fractions of carnivores, herbivores, and omnivores; the distributions of generalist and specialist feeders; the mean lengths of feeding chains connecting pairs of taxa; and so on.
The new research published in the journal Science Advances examined the skin cells of common dolphins for chemical clues about the length of the marine food chain, which begins with tiny plankton and continues as species eat them, and other species eat those species.
This is due to the variation in the length of the sugar chains, which grant it a number of adaptable characteristics that can be used in a wide variety of different food products.
The statutes dictate access to shelter, food, water and exercise as well as length of the chain, but not that the animal come in for the evening, even on cold Vermont nights.
Such chain / cable or restraint shall not be less than ten feet in length with the area free of obstacles so that the animal may have access to his food, water and shelter.