Which of the following is the best explanation
for the presence of both chloroplasts and
mitochondria in plant cells? - If plants cannot
produce enough ATP in the process of
photosynthesis to meet their energy needs,
they can produce it in aerobic respiration.
Sugars are produced in chloroplasts.
Diffusion, in biology terms, can be defined as a process when molecules move from a high concentration area, to an area of low concentration. To illustrate, if you were to drop a drop of red food coloring in clear water, the way the color is spreading throughout the water would be an example of diffusion.
Answer:
The following is the nature of matter : Atoms that have protons, neutrons, electrons and a nucleus consist of matter. It generally exists in four states i.e. liquid, solid, gaseous and plasma state. The universe itself is a matter. Not all forms of energy are matter.
The beak of the birds varies in sizes and shape. Its purpose is for feeding. The shape accords to what the bird eats. Here are some of the terms you can describe a bird's beak:
* cone shaped bill
* pointed beaks
* strong beaks
* long beaks
* sharp beaks
* thin beaks
* slender beaks
* tubular beaks
* hooked beaks