2017年2月11日 · Synapomorphy is a shared derived character or trait that distinguishes a clade from other organisms. Synapomorphy refers to a derived characteristic of a clade. The concept of synapomorphy is relative to a clade in the tree of life. In phylogeny , a derived character of a clade that has been inherited from a common ancestor and distinguishes the clade from other …

2015年3月3日 · A clade is a group of organisms that evolved from a common ancestor. Eutheria is one mammalian clade and the other is Metatheria, which includes marsupials. The order primates can be considered a clade, as all members are descended from one common ancestor roughly that lived 60 million years ago. Another example of a clade could be birds: they all also …

2018年3月17日 · No Yeast and amoebas are examples of unicellular eukaryotes. A eukaryote can be unicellular as long as the cell contains a nucleus, nuclear membrane, and chromosomes.

2015年7月30日 · The angle of elevation of the sun is decreasing by 1/4 radians per hour. How fast is the shadow cast by a building of height 50 meters lengthening, when the angle of elevation of the sun is #pi/4#?

Eukarya are made up of cells which contain enclosed nucleus and cell structures inside a cell mambrane. The membranes provide cellular support.