The hypothalamus synthesizes and secretes certain hormones called releasing hormones which stimulate the secretion of pituitary hormones.
The hypothalamus gland uses the nervous system and secretes hormones which sends messages to the pituitary hormones.
Answer and Explanation:
a. According to Lamarck, the origin of the long hind legs of the Ord's kangaroo rat is acquired due to extensive use of the muscle legs to jump. Such physical characteristics could be transmitted to future generations. This theory is called Neo-Lamarckism.
b. Darwin, on the other hand, theorized that in a population of Ord's kangaroo rat, there was an individual whose characteristics, long tail and hind legs, had more chances of escaping its predator and, consequently, could survive and reproduce. This theory is called Darwinism.
Answer:
When energy flows out of a system, it must all flow into the surroundings.
When energy flows out of a system, ΔEsystem is negative.
When energy flows into the surroundings, ΔEsurroundings is positive.
Therefore,
─ ΔEsystem= ΔEsurroundings
Salutations!
<span>Put the following in order from least complex(1) to most complex(4). cell, organism, organ, organ system.
Cell is the basic and the smallest unit of life.
Organ is a wedge of a living thing/ organism that has a function to carry along. A group of organs is called organ system
Organ system is a group of organs working together to carry out the functions along.
Organism is separate living thing that lives through the functions carried along by the organ system.
Lets put the terms in order!
</span>→ 1) Cell
<span>
</span>→ 2) Organ
<span>
</span>→ 3) Organ system
<span>
</span>→ Organism.
<span>
Hope I helped :D
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A............................................
