Answer:
blue whale
Explanation:
The blue whale is the largest water & land animal.
The answer is <span>the ability to judge the location of tree branch.
Evolutionary tree represents a relationship between different group of organisms. Tree branches represent decedent groups while nodes are common ancestors of those decedent groups. This fossil skull could represent a new tree branch, so the paleontologist could judge its location.
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The answers are:
1. Adrenal gland:
This structure secretes adrenaline, noradrenaline, cortisol, and aldosterone.
The adrenal gland is located above each kidney. It has two parts:
Adrenal Cortex - secretes cortisol and aldosterone.
Adrenal Medulla - secretes adrenaline and noradrenaline.
2. Pineal gland/Pineal body:
This structure regulates the sleep cycle and other biological rhythms.
The pineal gland is located in the middle of the brain. It secretes the hormone melatonin, which regulates the wake and sleep cycle.
3. Thyroid gland:
This structure is located at the throat and regulates metabolism.
The thyroid gland is found in the neck. It produces thyroid hormones that regulate metabolism. It also helps maintain blood pressure, heart rate, digestion, muscle tone and other reproductive functions.
4. Pancreas:
This structure secretes glucagon and insulin.
The pancreas is located in the abdominal cavity, behind the lower part of the stomach. It secretes glucagon and insulin to regulate the glucose level in the blood.
5. Thymus gland
<span>This structure regulates the development and differentiation of T lymphocytes.
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The thymus gland can be found in the thoracic cavity, in the mediastinum to be exact. T-lymphocytes are produced in the bone marrow, but they develop in the thymus.
6. Parathyroid glands
This structure regulates blood calcium levels.
They come in two pairs and are embedded on they thyroid gland. It releases parathyroid hormone. This hormone helps regulate the calcium levels in the blood.
In this system, the process of digestion has many stages, the first of which starts in the mouth.
Digestion involves the breakdown of food into smaller and smaller
components, until they can be absorbed and assimilated into the body.
