The answer is a. the abiotic components of an ecosystem
Answer:
science is the study of the physical world by observation for the purpose of understanding the world
FSH is secreted by the Pituitary Gland... upon GNRH being secreted by the Hypothalamus.
Answer:
1st is correct
Explanation:
At its simplest, a dog's digestive system is a long tunnel that runs from their mouth to the anus. Food goes in at the mouth and travels through this tube and at various stages is broken down and either absorbed into the body or excreted as waste at the anus.