Search results
Results From The WOW.Com Content Network
Food chain in a Swedish lake. Osprey feed on northern pike, which in turn feed on perch which eat bleak which eat crustaceans.. A food chain is a linear network of links in a food web, often starting with an autotroph (such as grass or algae), also called a producer, and typically ending at an apex predator (such as grizzly bears or killer whales), detritivore (such as earthworms and woodlice ...
The word pedigree is a corruption of the Anglo-Norman French pé de grue or "crane's foot", either because the typical lines and split lines (each split leading to different offspring of the one parent line) resemble the thin leg and foot of a crane [3] or because such a mark was used to denote succession in pedigree charts.
A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms .
A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.
What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Cite this page; Get shortened URL; Download QR code
Evolutionary anthropologists who study the evolution of human origins and diet use a variety of methods to determine what human ancestors ate. As a starting point comparative analysis of the diets of humans closest living relatives, great apes such as chimpanzees, bonobos and other great apes , though these comparison are limited.
The seven footprints, found amidst a clutter of hundreds of prehistoric animal prints, are estimated to be 115,000 years old. Many fossil and artifact windfalls have come from situations like this ...
Through sexual reproduction, an ancestor passes half of his or her genes to each descendant in the next generation; in the absence of pedigree collapse, after just 32 generations the contribution of a single ancestor would be on the order of 2 −32, a number proportional to less than a single basepair within the human genome. [18]