Examlex
_______ occurred when a dinoflagellate apparently lost its chloroplast and took up another protist that had acquired its chloroplast through secondary endosymbiosis.
Emotional Arousal
The process of becoming mentally and physically activated with emotions, which can be triggered by thoughts, memories, or external events.
Gamma-aminobutyric Acid
A neurotransmitter in the brain that plays a key role in reducing neuronal excitability throughout the nervous system.
Endocrine System
A network of glands in the body that secrete hormones directly into the circulatory system to regulate the body's growth, metabolism, and homeostasis.
Hormones
Chemical messengers produced by glands in the endocrine system, which regulate various functions in the body, including growth, metabolism, and mood.
Q36: How is it that viruses can be
Q38: Some cyanobacteria that form filamentous colonies possess
Q41: Which characteristic represents an evolutionary link between
Q49: Before DNA sequencing became practical, taxonomists based
Q90: All land plants produce _ by mitosis
Q103: Refer to the figure, which shows the
Q160: Both mitochondria and chloroplasts contain their own
Q210: A fruit that develops from several separately
Q214: You and your team of researchers excavate
Q219: A strobilus is<br>A) the branch point of