Answer:
The correct answer will be- the Pineal gland
Explanation:
The endocrine system is a system of glands which controls the body functions by secreting chemical messengers called the hormones.
The endocrine gland which is found in the middle part of the brain is called the pineal gland which is associated with the wake-sleep cycle of the body by producing a hormone called melatonin.
Thus, the pineal gland is the correct answer.
gametangium is the problem
True
You can’t skip any step; you need to do each step in order.
The answer is Earth Day. On April 22, 1970, Earth day made its first celebration. Millions of Americans protested for the environment. This gave the environment a chance to be seen as an issue that the world should prioritize. The sudden changed in temperature alarmed the people to the dangers of global warming that was triggered by man activities.
By definition, an ecosystem is "<span> a biological community of interacting organisms and their physical environment", according to Google dictionary. The ecosystem that I would likely choose is a marine ecosystem wherein organisms included are fish, crabs, and seaweed. The seaweed would provide enough food for the fishes and crabs.</span>