Answer:
A parasitic relationship is one in which one organism, the parasite, live off of another organism, the host, harming it.
Answer:
Medulla – The primary role of the medulla is regulating our involuntary life sustaining functions such as breathing, swallowing and heart rate. As part of the brain stem, it also helps transfer neural messages to and from the brain and spinal cord. It is located at the junction of the spinal cord and brain.
Explanation:
The tropical rainforest is one of the world’s most threatened biomes, despite being home to some of the most diverse and unique species on the planet. Many of the world’s most colorful creatures reside in rainforests, and animals from tiny organisms to large wild cats find homes amongst the range of plant life.
For many years tropical rain forests were safe from the presence of man, other than native tribal individuals who lived harmoniously with the land, but the problem of man’s encroachment on rain forests for lumber, agriculture, and development is having serious effects on the long-term survival of these regions.
Answer:
The correct answer is a. They release their secretions into the blood.
Explanation:
Endocrine glands are responsible for producing/secreting hormones and releasing them directly into the blood from where they travel to tissues and organs throughout the body. Some examples of endocrine glands are the pituitary gland (it regulates homeostasis), the thyroid gland (It helps to regulate growth and metabolism) and the adrenal glands (they perform different functions at the endocrine and nervous level).
