Hello.
There are a couple things needed for natural selection.
Natural selection is organisms become comfortable and changer where they are newly located. Where they can live and get more off springs.
First, You will need <u>heredity</u> which passes traits to an offspring.
Second, <u>reproduction</u> that is needed to to copy traits and give them to the offspring.
The <span>Phranerozoic represents the past 544 million years of geologic time</span>
Answer:
<em>Gamma radiation and X-rays .</em>
Explanation:
Gamma radiation and X-rays are electromagnetic radiation like visible light, radio waves, and ultraviolet light.
These electromagnetic radiations differ only in the amount of energy they have.
Gamma radiation is able to travel many metres in air and many centimetres in human tissue
2/3 of the cell is made of water
Answer:
1. The need for an appropriate management unit, creation of administrative bodies and the poor knowledge of the ecosystem function and time constraints.
2. Limited resources to implement the projects with little existing knowledge of the system. It is vague in concept and ignores the historic and individual factors that might influence the ecosystem functionality.
3. There must be an established communication with the management and adaptive management should be adopted to counter the unpredictable nature of the ecosystem.
Explanation:
Ecosystem-based management is an environmental approach to analyze the interaction between species and their environment. It studies the terrestrial and marine species and environment and factors within these environments that cause behavioral change and migration.