Answer:
The correct answer is: Release their secretions directly into the blood.
Explanation:
Glands are organs that <u>regulate bodily functions by producing and releasing certain substances</u>. Endocrine glands are a type of gland that specifically releases its product into the bloodstream.
Endocrine glands' products are called hormones and they travel through the blood vessels in order to reach their destination (the organ where they are supposed to act),
An example of an endocrine gland is the pancreas. The pancreas produces insulin and glucagon, two different hormones that act in different organs to regulate glucose levels.
Answer:
An autotroph is a cell that is capable of producing its own energy using photosynthesis or, less commonly, chemosynthesis.
A heterotroph is a cell that must consume its energy from external sources, for instance, hunting for prey or eating autotrophs.
Have a nice day!
This above description is most suitable to describe an organisms habitat. This is the place that an organism lives and provides the necessities the organism requires.