<span>Population density (in agriculture: standing stock and standing crop) is a measurement of population per unit area or unit volume; it is a quantity of type number density. It is frequently applied to living organisms, and most of the time to humans.</span>
The process is called metabolism. The food and liquid that is intake by the body is converted into energy that is used by the body to carry out daily functions is a process called metabolism. That is metabolism builds the body. It also breaks down food and keep the nutrients and pass out the waste.
You need to be way more specific
Trophic levels go by,
Producer (The nuts)
Primary Consumer (Squirrels)
Secondary Consumer (Raccoons)
Tertiary Consumer (Bear)
So squirrels would be at a lower trophic level.
Hope his help :)
Answer:
•The southwest population of birds
•The tiny birds with a medium beak and a plumage of yellow
• The northeast population of birds where most succesful after 1,000,000 years this could be because their beaks where around medium length and where curved, Their body sixe was also medium.
Adaptations are formed by the random mutations of the cell of an organism by which natural selection has forced them to. This enables the organism to survive and thrive.
