Why is there less energy available at the last link of a food chain?

In an ecosystem, a population can be defined as A. all individuals of a species born in a specified month in every region of the world. B. all individuals of a species that exist or have existed in a given place. C.

Little Billy is terrified! He just heard a noise in his room, and he is sure that this means there are monsters coming to get him. Which part of Billy's nervous system will prepare him for fight or flight?

Explain how changes in land use can impact an ecosystem.

The language centers of the human brain develop in the first three years of life. a. True b. False

Among six kingdom of living things which one does not have a cell wall

A nurse is caring for a client with varicose veins. which clinical manifestations should the nurse expect with this diagnosis?

What is an advantage of recycling metals?

Which of these choices is the most basic level of organization? O Population Organism Niche Species

Describe how the population of the Earth increase if the number of children being born is less?

What are high air pressure systems usually associated with?