The disapperance of many species during a relatively short time is known as extinction
Answer:
Energy is gained by consuming food
Energy is lost due to: The whole organism not being eaten (skeleton and fur left behind). Not all the food being digested – some passes out of the animal in excretion or egestion . Energy being lost as heat in respiration and therefore not being passed onto the next level.
B. Mutualism
Because the bird has food from the blackberries but the blackberry seeds are distributed when the bird disposes of the seeds and other blackberry plants grow in different areas
Autotrophic plants can make their own food from inorganic raw materials, such as carbon dioxide and water, through photosynthesis in the presence of sunlight.
Carbon (C)
Oxygen (O)