Answer:
its b
Explanation:
but I have to make the explanation 20 words so imma write random things down here jdjdnkoskdndhjejsjsoosjssnjdjdjdjso
Bacteria that change nitrogen gas from the atmosphere into solid nitrogen usable by plants are called nitrogen-fixing bacteria. These bacteria are found both in the soil and in symbiotic relationships with plants.
The chemical processes being done in the body is known as Metabolism. Metabolic processes are constantly taking place in the body.Metabolism is the sum of all of the chemical reactions that are involved in catabolism and anabolism.
The reactions governing the breakdown of food to obtain energy are called catabolic reactions.
This might have been the cause of not being exposed to this specific pollen during his years in Chicago. Allergic reactions can develop when the stimuli presented even when its not contagious causes the immune system to trigger and act in a defensive stance. This delayed effect may have been the cause of the sudden expression of the immune system.
Answer:
Animal behavior is the bridge between the molecular and physiological aspects of biology and the ecological. Behavior is the link between organisms and environment and between the nervous system, and the ecosystem. Behavior is one of the most important properties of animal life. Behavior plays a critical role in biological adaptations.
Hope it helps!!!!
