All plants and animals group existing together and the physical factors with which they interact compose?

All plants and animals group existing together and the physical factors with which they interact is called Ecosystem  

Explanation:

The geographical area where animals, plants and other beings along with atmosphere and other physical factors interact to form a life chain is known as Ecosystem. It has both living and non-living factors in it. All the factors of an ecosystem are dependent on each other.  

For instance, a change in climate determines the growth of types of plants. It can be large or small, like- ponds are small ecosystem whereas ocean is a large one. Ecosystems sometimes are connected to ‘Biomes’ or land, sea or climate.  

prophase: we can observe the chromosomes to coil up and condense. they become visible. nuclear membrane and envelope disintigrate.s

metaphase: chromosomes align at the center, the metaphase plate. spindle fibers attach to centromeres of the sister chromatids. they meet at kinetochores.

anaphase: sister chromatids are pulled towards each opposing centromere, set on different poles.

telophase: chromosomes are now clustered up only on either sides of the cell. nuclear membranes reform, and a new cell wall forms along the cell plate. this will lead to cytokinesis, the process that divides the cell membrane and forms the cell wall.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: