It is called autocrine action. A hormone is a chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Many hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland. They are essential for every activities of life, including the processes of digestion, metabolism among other activities. There are five types of signalling which include; intracrine, autocrine, juxtacrine, paracrine and endocrine cells.
MAKING ENERGY FROM THE ULTIMATE ENERGY SOURCE
It's the sun, but the process is photosynthesis.
Photosynthesis is the process by which plants convert energy from the sun. It is the process that allows plants to create organic molecules that they use as fuel. Here is how it works. Here is the link for it.
https://www.dummies.com/education/science/biology/how-plants-acquire-their-energy/
Answer:
Asexual spores comes with both the male and female reproductive parts, in which one part of the spore produces the sperm (male), which mates with the egg (female), which is produced in a different part of the spore. It is asexual, for the beast or plant only needs itself (not another of the same family) to reproduce.
The molecules of air inside of an inflated balloon are very far apart and moving rapidly. They collide with other molecules and with the inside surface of the balloon. Collisions between gas molecules are perfectly elastic.
A level of organization within the biosphere is a group of interacting individuals belong to one species and living in the same geographic area is a population.