Answer:
Explanation:
Placoderms were the first jawed fish; their jaws likely evolved from the first of their gill arches. in spanish
placodermos
I think the answer is NUCLEUS.
Hope it helps!
Emotion is one of the responses of an organism (whole) which
involves physiological arousal. Other than indicating emotion, physiological
arousal or heightened physiological activity is modernly used in polygraphs.
Polygraphs or lie detector notes changes in blood pressure, pulse, respiration
while the subject is asked and answers questions. It is based on the assumption
that dishonest answers are indicated with physiological arousal.
Phagocytosis is the process by which immune cells engulf and then destroy bacteria
Acquired traits
Explanation:
The traits an organism develops during its lifetime are called acquired traits.
They are different from inherited traits in which organisms directly obtain from their parents.
- Acquired traits are developed with time by an organism as a result of environmental influences.
- Inherited traits are passed from one generation to another.
- Acquired traits are non-inheritable and cannot be passed from generations to another.
Learn more:
Polygenic trait brainly.com/question/4161162
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