In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. The researcher can operationalize (i.e. define) the variables being studied so they can be objectivity measured.
They would at least get 50% of energy from hay to make the milk or more
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.
The correct answer is "<span>a layer of smooth </span><span>muscle".
</span>In an individual's mouth, gut, and the small intestine, the mucosa, which holds tiny glands, which secrete juices in order to assist in digesting food<span>. The </span>digestive<span> tract also holds a layer of smooth </span>muscle, which <span>aids in breaking down </span>food<span> and move it along the digestive tract.</span>
Answer:
The main purpose of alcohol fermentation is to produce ATP, the energy currency for cells, under anaerobic conditions
Explanation: