Answer:
The DNA of any individual possesses genetic traits which vary from individual to individual. Traits can be physical traits or behavioral traits.
Explanation:
Example of a physical trait would be the appearance of an individual and behavioral trait refers to the nature of the individual. Both vary from individual to individual.
Explanation:
The ever and ever increasing demand for wood fuel, gas, timber, building materials, and many other consumer products are exerting more and more pressure on the earth’s natural resources, living organisms, and natural cycles responsible for maintaining a balance on earth.
Natural resources such as the water systems, fertile soil, clean air, vegetation cover, wildlife, indigenous plant species, and natural cycles such as the oxygen and nitrogen cycles, and food chains need trees for their continuity and balance.
Ansswer:
Exosphere has no upper boundary, as it separates the other layers from space.
Thermosphere has energy from the sun that causes gas particles to become ions.
Mesosphere consists of gases that mix together as they drive global air circulation.
Stratosphere has a dry layer with few clouds and very dry air.
Troposphere is a dense layer containing breathable air and clouds in the sky.
Explanation:
Just took the test and got 100!
The answer is to fill different niches.
Adaptive radiation is the process of development of new forms of organisms from an ancestral species. When an environment changes or some new niches open, speciation from the ancestral species occurs. New species have morphological and physiological adaptations which allow them to exploit a whole range of divergent environment.
Answer:
coral reefs
Explanation:
A coral reef is one of the forms of underwater ecosystem. Coral polyps forms the colony with the helps of the calcium carbonate and helps in forming the reefs. The presence of coral reefs helps in preventing from storms and erosion. They are a source of recreation and tourism for the people. In the recent times, there have been severe threat to the ecosystem because of the pollution and abrupt change in climatic conditions.
