Answer:
formation of organ systems
Explanation:
Actually, answer might be formation of organ systems b/c fetus are unborn offspring that have organ systems in place. Thus to develop a fetus the zygote has to multiply and eventually form organ systems (around 8 weeks from conception).
The top layer of the brain, responsible for higher-level mental processes, is the neocortex because the neocortex comprises the largest part of the cerebral cortex, which makes up approximately half of the volume of the human brain. It is responsible for the neuronal computations of awareness, thought, perception, and episodic memory.
Therefore, The neocortex is the top layer of the complex brain that commands higher functions related to the mental processes such as cognition, sensory perception, and emotion. Although the neocortex consists of neuronal cell bodies or grey matter and unmyelinated fibers that surround the deeper white matter in the cerebrum, that helps for higher-level mental processes.
Learn more about neocortex here
brainly.com/question/28196579
#SPJ4
The definition 'All the organisms and their physical and chemical environment within a specific area' best describes the ecosystems.
<h3>What are ecosystems?</h3>
Ecosystems can be defined as particular geographic areas that exhibit certain abiotic factors which interact with a community (i.e., a group of populations) to shape the environment.
In conclusion, the definition 'All the organisms and their physical and chemical environment within a specific area' best describes the ecosystems.
Learn more about ecosystems here:
brainly.com/question/842527
#SPJ1
The right answer is B active immunity.
For information, there is no complete immunity and incomplete immunity in immunology.
Active immunity is a form of immunity that protects the body through the production of antibodies when exposed to a first infection or vaccination.
This type of immunity is persistent. Example of measles: previously safe measles viruses are applied during vaccination.
Answer:
the first one
Explanation:
the partials in a liquid are closer together then a plasma
