Answer:
The Sun
Explanation:
Nearly everything eats sunshine – or eats something else that ate sunshine. The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter.
Answer:
The correct answer is - c) Pathology.
Explanation:
Mycology is the branch of biology in which students study fungi and their characteristics including their biochemistry, taxonomy, and genetics.
Agronomy is the other branch of biology that deals with agriculture and its practices and work to improve the crops.
Phycology is the study of algae and their characteristics including their biochemistry, taxonomy, and genetics.
The disease and its causes are studied under the pathology branch o biology therefore, red rust would be studying in this discipline.
The secret of an endocrine gland that is transmitter by the blood to the tissue travel through the body .
Answer:
they have thin membranes to allow diffusion of substance for short distance
they are numerous to increase the surface area of absorption
hope this helps