Answer:
Among vertebrates, external fertilization is most common in amphibians and fish. Invertebrates utilizing external fertilization are mostly benthic, sessile, or both, including animals such as coral, sea anemones, and tube-dwelling polychaetes. Benthic marine plants also use external fertilization to reproduce.
= Fish
Explanation:
Answer:
Nerve impulse
Explanation:
A nerve impulse is transmitted through the synaptic cleft by acetylcholine. When an impulse reaches the synaptic knob, it stimulates the vesicles to move towards the presynaptic membrane releasing the acetylcholine. The transmitter substance makes the membrane permeable. An action potential is then formed along the neuron.
Answer:
I think the correct answer is D.
Schizophrenia is <span>a long-term mental disorder of a type involving a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception, inappropriate actions and feelings, withdrawal from reality and personal relationships into fantasy and delusion, and a sense of mental fragmentation.
Having schizophrenia can effect your daily functioning in many ways like;
</span><span>Change in friends or social isolation, Difficulty at school or job, Sleep problems, Irritability, Difficulty telling reality from fantasy and <span>An increase in unusual thoughts, perceptions and suspicions or paranoia. </span><span>Odd manner of thinking and speaking
</span></span>Harmful alcohol<span> and other drug use, particularly cannabis and amphetamine use, may </span>trigger psychosis<span> in people who are vulnerable to developing </span>schizophrenia<span>. While substance use </span>does<span> not </span>cause schizophrenia<span>, it is strongly related to relapse.</span>
