Answer:
Cellular Respiration: a process able to extract a large amount of energy from food molecules. In eukaryotic cells oxygen is a required component. This metabolic process is the main reason that animals have elaborate gas exchange organs such as lungs, gills and other systems. The goal of these systems is, of course, to get access to oxygen and to get rid of carbon dioxide.
Explanation:
Answer:
An evolutionary lineage is a temporal series of organisms, populations, cells, or genes connected by a continuous line of descent from ancestor to descendant. Lineages are subsets of the evolutionary tree of life. Lineages are often determined by the techniques of molecular systematics.
Answer:
Artificial reproduction does help in excess production of fruits. Explanation: Artificial reproduction is a process in which the plants are made to artificially fertilise in order to improve the quality and sometimes the quantity of the by products such as flowers and fruits produced by the plant.
Explanation:
Answer:
:the natural process of bone formation.
Answer:
Dark matter
Explanation:
Without dark matter the world can not be held together
