Answer:
Type I survivorship curves:
Type I survivorship curves depicts the curves of the organisms that survive at middle and early stage but dies at later stage of life. Type I survivorship curve shows convex shape on graph. Example : Human.
Type II survivorship curves:
Type II survivorship curves depicts the curves of the organisms that has constant mortality rate throughout their life stages. Type II survivorship curve shows linear shape on graph. Example : Squirrel.
Type III survivorship curves:
Type III survivorship curves depicts the curves of the organism that contains the fewer individuals till adulthood. Type III survivorship curve shows concave shape on graph. Example : Fishes.
Coils,supercoils,chromosome,nucleosome,DNA double helix.
Answer:
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<u>Answer</u>:
<u>Question 1.</u> 1.fragmentation The roads act as barriers which cannot/or will not be crossed by many forest dwelling species. They are either physical or psychological barriers for animals. The presence of humans and cars further increases this effect. Thus, the original forest habitat becomes fragmented into smaller areas with smaller populations.
<u>Question 1.</u> 2.find an unrelated mate
As the forest becomes fragmented, the original area and population of a species is divided into smaller units. Thus, for the individuals belonging to such a diminished population, the chances of finding an unrelated mate will decrease rapidly with time. This will lead to inbreeding and a loss of genetic diversity.